https://www.roadtonetzero.org.uk/js/vendor.min.js?v=1789995325

16
17
18	if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20		// For CommonJS and CommonJS-like environments where a proper `window`
21		// is present, execute the factory and get jQuery.
22		// For environments that do not have a `window` with a `document`
23		// (such as Node.js), expose a factory as module.exports.
24		// This accentuates the need for the creation of a real `window`.
25		// e.g. var jQuery = require("jquery")(window);
26		// See ticket #14549 for more info.
27		module.exports = global.document ?
28			factory( global, true ) :
29			function( w ) {
30				if ( !w.document ) {
31					throw new Error( "jQuery requires a window with a document" );
32				}
33				return factory( w );
34			};
35	} else {
36		factory( global );
37	}
38
39// Pass this if window is not defined yet
40} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45// enough that all such attempts are guarded in a try block.
46"use strict";
47
48var arr = [];
49
50var getProto = Object.getPrototypeOf;
51
52var slice = arr.slice;
53
54var flat = arr.flat ? function( array ) {
55	return arr.flat.call( array );
56} : function( array ) {
57	return arr.concat.apply( [], array );
58};
59
60
61var push = arr.push;
62
63var indexOf = arr.indexOf;
64
65var class2type = {};
66
67var toString = class2type.toString;
68
69var hasOwn = class2type.hasOwnProperty;
70
71var fnToString = hasOwn.toString;
72
73var ObjectFunctionString = fnToString.call( Object );
74
75var support = {};
76
77var isFunction = function isFunction( obj ) {
78
79		// Support: Chrome <=57, Firefox <=52
80		// In some browsers, typeof returns "function" for HTML <object> elements
81		// (i.e., `typeof document.createElement( "object" ) === "function"`).
82		// We don't want to classify *any* DOM node as a function.
83		// Support: QtWeb <=3.8.5, WebKit <=534.34, wkhtmltopdf tool <=0.12.5
84		// Plus for old WebKit, typeof returns "function" for HTML collections
85		// (e.g., `typeof document.getElementsByTagName("div") === "function"`). (gh-4756)
86		return typeof obj === "function" && typeof obj.nodeType !== "number" &&
87			typeof obj.item !== "function";
88	};
89
90
91var isWindow = function isWindow( obj ) {
92		return obj != null && obj === obj.window;
93	};
94
95
96var document = window.document;
97
98
99
100	var preservedScriptAttributes = {
101		type: true,
102		src: true,
103		nonce: true,
104		noModule: true
105	};
106
107	function DOMEval( code, node, doc ) {
108		doc = doc || document;
109
110		var i, val,
111			script = doc.createElement( "script" );
112
113		script.text = code;
114		if ( node ) {
115			for ( i in preservedScriptAttributes ) {
116
117				// Support: Firefox 64+, Edge 18+
118				// Some browsers don't support the "nonce" property on scripts.
119				// On the other hand, just using `getAttribute` is not enough as
120				// the `nonce` attribute is reset to an empty string whenever it
121				// becomes browsing-context connected.
122				// See https://github.com/whatwg/html/issues/2369
123				// See https://html.spec.whatwg.org/#nonce-attributes
124				// The `node.getAttribute` check was added for the sake of
125				// `jQuery.globalEval` so that it can fake a nonce-containing node
126				// via an object.
127				val = node[ i ] || node.getAttribute && node.getAttribute( i );
128				if ( val ) {
129					script.setAttribute( i, val );
130				}
131			}
132		}
133		doc.head.appendChild( script ).parentNode.removeChild( script );
134	}
135
136
137function toType( obj ) {
138	if ( obj == null ) {
139		return obj + "";
140	}
141
142	// Support: Android <=2.3 only (functionish RegExp)
143	return typeof obj === "object" || typeof obj === "function" ?
144		class2type[ toString.call( obj ) ] || "object" :
145		typeof obj;
146}
147/* global Symbol */
148// Defining this global in .eslintrc.json would create a danger of using the global
149// unguarded in another place, it seems safer to define global only for this module
150
151
152
153var
154	version = "3.6.0",
155
156	// Define a local copy of jQuery
157	jQuery = function( selector, context ) {
158
159		// The jQuery object is actually just the init constructor 'enhanced'
160		// Need init if jQuery is called (just allow error to be thrown if not included)
161		return new jQuery.fn.init( selector, context );
162	};
163
164jQuery.fn = jQuery.prototype = {
165
166	// The current version of jQuery being used
167	jquery: version,
168
169	constructor: jQuery,
170
171	// The default length of a jQuery object is 0
172	length: 0,
173
174	toArray: function() {
175		return slice.call( this );
176	},
177
178	// Get the Nth element in the matched element set OR
179	// Get the whole matched element set as a clean array
180	get: function( num ) {
181
182		// Return all the elements in a clean array
183		if ( num == null ) {
184			return slice.call( this );
185		}
186
187		// Return just the one element from the set
188		return num < 0 ? this[ num + this.length ] : this[ num ];
189	},
190
191	// Take an array of elements and push it onto the stack
192	// (returning the new matched element set)
193	pushStack: function( elems ) {
194
195		// Build a new jQuery matched element set
196		var ret = jQuery.merge( this.constructor(), elems );
197
198		// Add the old object onto the stack (as a reference)
199		ret.prevObject = this;
200
201		// Return the newly-formed element set
202		return ret;
203	},
204
205	// Execute a callback for every element in the matched set.
206	each: function( callback ) {
207		return jQuery.each( this, callback );
208	},
209
210	map: function( callback ) {
211		return this.pushStack( jQuery.map( this, function( elem, i ) {
212			return callback.call( elem, i, elem );
213		} ) );
214	},
215
216	slice: function() {
217		return this.pushStack( slice.apply( this, arguments ) );
218	},
219
220	first: function() {
221		return this.eq( 0 );
222	},
223
224	last: function() {
225		return this.eq( -1 );
226	},
227
228	even: function() {
229		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
230			return ( i + 1 ) % 2;
231		} ) );
232	},
233
234	odd: function() {
235		return this.pushStack( jQuery.grep( this, function( _elem, i ) {
236			return i % 2;
237		} ) );
238	},
239
240	eq: function( i ) {
241		var len = this.length,
242			j = +i + ( i < 0 ? len : 0 );
243		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
244	},
245
246	end: function() {
247		return this.prevObject || this.constructor();
248	},
249
250	// For internal use only.
251	// Behaves like an Array's method, not like a jQuery method.
252	push: push,
253	sort: arr.sort,
254	splice: arr.splice
255};
256
257jQuery.extend = jQuery.fn.extend = function() {
258	var options, name, src, copy, copyIsArray, clone,
259		target = arguments[ 0 ] || {},
260		i = 1,
261		length = arguments.length,
262		deep = false;

263
264	// Handle a deep copy situation
265	if ( typeof target === "boolean" ) {
266		deep = target;
267
268		// Skip the boolean and the target
269		target = arguments[ i ] || {};
270		i++;
271	}
272
273	// Handle case when target is a string or something (possible in deep copy)
274	if ( typeof target !== "object" && !isFunction( target ) ) {
275		target = {};
276	}
277
278	// Extend jQuery itself if only one argument is passed
279	if ( i === length ) {
280		target = this;
281		i--;
282	}
283
284	for ( ; i < length; i++ ) {
285
286		// Only deal with non-null/undefined values
287		if ( ( options = arguments[ i ] ) != null ) {
288
289			// Extend the base object
290			for ( name in options ) {
291				copy = options[ name ];
292
293				// Prevent Object.prototype pollution
294				// Prevent never-ending loop
295				if ( name === "__proto__" || target === copy ) {
296					continue;
297				}
298
299				// Recurse if we're merging plain objects or arrays
300				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
301					( copyIsArray = Array.isArray( copy ) ) ) ) {
302					src = target[ name ];
303
304					// Ensure proper type for the source value
305					if ( copyIsArray && !Array.isArray( src ) ) {
306						clone = [];
307					} else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
308						clone = {};
309					} else {
310						clone = src;
311					}
312					copyIsArray = false;
313
314					// Never move original objects, clone them
315					target[ name ] = jQuery.extend( deep, clone, copy );
316
317				// Don't bring in undefined values
318				} else if ( copy !== undefined ) {
319					target[ name ] = copy;
320				}
321			}
322		}
323	}
324
325	// Return the modified object
326	return target;
327};
328
329jQuery.extend( {
330
331	// Unique for each copy of jQuery on the page
332	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
333
334	// Assume jQuery is ready without the ready module
335	isReady: true,
336
337	error: function( msg ) {
338		throw new Error( msg );
339	},
340
341	noop: function() {},
342
343	isPlainObject: function( obj ) {
344		var proto, Ctor;
345
346		// Detect obvious negatives
347		// Use toString instead of jQuery.type to catch host objects
348		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
349			return false;
350		}
351
352		proto = getProto( obj );
353
354		// Objects with no prototype (e.g., `Object.create( null )`) are plain
355		if ( !proto ) {
356			return true;
357		}
358
359		// Objects with prototype are plain iff they were constructed by a global Object function
360		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
361		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
362	},
363
364	isEmptyObject: function( obj ) {
365		var name;
366
367		for ( name in obj ) {
368			return false;
369		}
370		return true;
371	},
372
373	// Evaluates a script in a provided context; falls back to the global one
374	// if not specified.
375	globalEval: function( code, options, doc ) {
376		DOMEval( code, { nonce: options && options.nonce }, doc );
377	},
378
379	each: function( obj, callback ) {
380		var length, i = 0;
381
382		if ( isArrayLike( obj ) ) {
383			length = obj.length;
384			for ( ; i < length; i++ ) {
385				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
386					break;
387				}
388			}
389		} else {
390			for ( i in obj ) {
391				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
392					break;
393				}
394			}
395		}
396
397		return obj;
398	},
399
400	// results is for internal usage only
401	makeArray: function( arr, results ) {
402		var ret = results || [];
403
404		if ( arr != null ) {
405			if ( isArrayLike( Object( arr ) ) ) {
406				jQuery.merge( ret,
407					typeof arr === "string" ?
408						[ arr ] : arr
409				);
410			} else {
411				push.call( ret, arr );
412			}
413		}
414
415		return ret;
416	},
417
418	inArray: function( elem, arr, i ) {
419		return arr == null ? -1 : indexOf.call( arr, elem, i );
420	},
421
422	// Support: Android <=4.0 only, PhantomJS 1 only
423	// push.apply(_, arraylike) throws on ancient WebKit
424	merge: function( first, second ) {
425		var len = +second.length,
426			j = 0,
427			i = first.length;
428
429		for ( ; j < len; j++ ) {
430			first[ i++ ] = second[ j ];
431		}
432
433		first.length = i;
434
435		return first;
436	},
437
438	grep: function( elems, callback, invert ) {
439		var callbackInverse,
440			matches = [],
441			i = 0,
442			length = elems.length,
443			callbackExpect = !invert;
444
445		// Go through the array, only saving the items
446		// that pass the validator function
447		for ( ; i < length; i++ ) {
448			callbackInverse = !callback( elems[ i ], i );
449			if ( callbackInverse !== callbackExpect ) {
450				matches.push( elems[ i ] );
451			}
452		}
453
454		return matches;
455	},
456
457	// arg is for internal usage only
458	map: function( elems, callback, arg ) {
459		var length, value,
460			i = 0,
461			ret = [];
462
463		// Go through the array, translating each of the items to their new values
464		if ( isArrayLike( elems ) ) {
465			length = elems.length;
466			for ( ; i < length; i++ ) {
467				value = callback( elems[ i ], i, arg );
468
469				if ( value != null ) {
470					ret.push( value );
471				}
472			}
473
474		// Go through every key on the object,
475		} else {
476			for ( i in elems ) {
477				value = callback( elems[ i ], i, arg );
478
479				if ( value != null ) {
480					ret.push( value );
481				}
482			}
483		}
484
485		// Flatten any nested arrays
486		return flat( ret );
487	},
488
489	// A global GUID counter for objects
490	guid: 1,
491
492	// jQuery.support is not used in Core but other projects attach their
493	// properties to it so it needs to exist.
494	support: support
495} );
496
497if ( typeof Symbol === "function" ) {
498	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
499}
500
501// Populate the class2type map
502jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
503	function( _i, name ) {
504		class2type[ "[object " + name + "]" ] = name.toLowerCase();
505	} );
506
507function isArrayLike( obj ) {
508
509	// Support: real iOS 8.2 only (not reproducible in simulator)
510	// `in` check used to prevent JIT error (gh-2145)
511	// hasOwn isn't used here due to false negatives
512	// regarding Nodelist length in IE
513	var length = !!obj && "length" in obj && obj.length,
514		type = toType( obj );
515
516	if ( isFunction( obj ) || isWindow( obj ) ) {
517		return false;
518	}
519
520	return type === "array" || length === 0 ||
521		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
522}
523var Sizzle =
524/*!
525 * Sizzle CSS Selector Engine v2.3.6
526 * https://sizzlejs.com/
527 *
528 * Copyright JS Foundation and other contributors
529 * Released under the MIT license
530 * https://js.foundation/
531 *
532 * Date: 2021-02-16
533 */
534( function( window ) {
535var i,
536	support,
537	Expr,
538	getText,
539	isXML,
540	tokenize,
541	compile,
542	select,
543	outermostContext,
544	sortInput,
545	hasDuplicate,
546
547	// Local document vars
548	setDocument,
549	document,
550	docElem,
551	documentIsHTML,
552	rbuggyQSA,
553	rbuggyMatches,
554	matches,
555	contains,
556
557	// Instance-specific data
558	expando = "sizzle" + 1 * new Date(),
559	preferredDoc = window.document,
560	dirruns = 0,
561	done = 0,
562	classCache = createCache(),
563	tokenCache = createCache(),
564	compilerCache = createCache(),
565	nonnativeSelectorCache = createCache(),
566	sortOrder = function( a, b ) {
567		if ( a === b ) {
568			hasDuplicate = true;
569		}
570		return 0;
571	},
572
573	// Instance methods
574	hasOwn = ( {} ).hasOwnProperty,
575	arr = [],
576	pop = arr.pop,
577	pushNative = arr.push,
578	push = arr.push,
579	slice = arr.slice,
580
581	// Use a stripped-down indexOf as it's faster than native
582	// https://jsperf.com/thor-indexof-vs-for/5
583	indexOf = function( list, elem ) {
584		var i = 0,
585			len = list.length;
586		for ( ; i < len; i++ ) {
587			if ( list[ i ] === elem ) {
588				return i;
589			}
590		}
591		return -1;
592	},
593
594	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
595		"ismap|loop|multiple|open|readonly|required|scoped",
596
597	// Regular expressions
598
599	// http://www.w3.org/TR/css3-selectors/#whitespace
600	whitespace = "[\\x20\\t\\r\\n\\f]",
601
602	// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
603	identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
604		"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
605
606	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
607	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
608
609		// Operator (capture 2)
610		"*([*^$|!~]?=)" + whitespace +
611
612		// "Attribute values must be CSS identifiers [capture 5]
613		// or strings [capture 3 or capture 4]"
614		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
615		whitespace + "*\\]",
616
617	pseudos = ":(" + identifier + ")(?:\\((" +
618
619		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
620		// 1. quoted (capture 3; capture 4 or capture 5)
621		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
622
623		// 2. simple (capture 6)
624		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
625
626		// 3. anything else (capture 2)
627		".*" +
628		")\\)|)",
629
630	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
631	rwhitespace = new RegExp( whitespace + "+", "g" ),
632	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
633		whitespace + "+$", "g" ),
634
635	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
636	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
637		"*" ),
638	rdescend = new RegExp( whitespace + "|>" ),
639
640	rpseudo = new RegExp( pseudos ),
641	ridentifier = new RegExp( "^" + identifier + "$" ),
642
643	matchExpr = {
644		"ID": new RegExp( "^#(" + identifier + ")" ),
645		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
646		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
647		"ATTR": new RegExp( "^" + attributes ),
648		"PSEUDO": new RegExp( "^" + pseudos ),
649		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
650			whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
651			whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
652		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
653
654		// For use in libraries implementing .is()
655		// We use this for POS matching in `select`
656		"needsContext": new RegExp( "^" + whitespace +
657			"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
658			"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
659	},
660
661	rhtml = /HTML$/i,
662	rinputs = /^(?:input|select|textarea|button)$/i,
663	rheader = /^h\d$/i,
664
665	rnative = /^[^{]+\{\s*\[native \w/,
666
667	// Easily-parseable/retrievable ID or TAG or CLASS selectors
668	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
669
670	rsibling = /[+~]/,
671
672	// CSS escapes
673	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
674	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
675	funescape = function( escape, nonHex ) {
676		var high = "0x" + escape.slice( 1 ) - 0x10000;
677
678		return nonHex ?
679
680			// Strip the backslash prefix from a non-hex escape sequence
681			nonHex :
682
683			// Replace a hexadecimal escape sequence with the encoded Unicode code point
684			// Support: IE <=11+
685			// For values outside the Basic Multilingual Plane (BMP), manually construct a
686			// surrogate pair
687			high < 0 ?
688				String.fromCharCode( high + 0x10000 ) :
689				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
690	},
691
692	// CSS string/identifier serialization
693	// https://drafts.csswg.org/cssom/#common-serializing-idioms
694	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
695	fcssescape = function( ch, asCodePoint ) {
696		if ( asCodePoint ) {
697
698			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
699			if ( ch === "\0" ) {
700				return "\uFFFD";
701			}
702
703			// Control characters and (dependent upon position) numbers get escaped as code points
704			return ch.slice( 0, -1 ) + "\\" +
705				ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
706		}
707
708		// Other potentially-special ASCII characters get backslash-escaped
709		return "\\" + ch;
710	},
711
712	// Used for iframes
713	// See setDocument()
714	// Removing the function wrapper causes a "Permission Denied"
715	// error in IE
716	unloadHandler = function() {
717		setDocument();
718	},
719
720	inDisabledFieldset = addCombinator(
721		function( elem ) {
722			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
723		},
724		{ dir: "parentNode", next: "legend" }
725	);
726
727// Optimize for push.apply( _, NodeList )
728try {
729	push.apply(
730		( arr = slice.call( preferredDoc.childNodes ) ),
731		preferredDoc.childNodes
732	);
733
734	// Support: Android<4.0
735	// Detect silently failing push.apply
736	// eslint-disable-next-line no-unused-expressions
737	arr[ preferredDoc.childNodes.length ].nodeType;
738} catch ( e ) {
739	push = { apply: arr.length ?
740
741		// Leverage slice if possible
742		function( target, els ) {
743			pushNative.apply( target, slice.call( els ) );
744		} :
745
746		// Support: IE<9
747		// Otherwise append directly
748		function( target, els ) {
749			var j = target.length,
750				i = 0;
751
752			// Can't trust NodeList.length
753			while ( ( target[ j++ ] = els[ i++ ] ) ) {}
754			target.length = j - 1;
755		}
756	};
757}
758
759function Sizzle( selector, context, results, seed ) {
760	var m, i, elem, nid, match, groups, newSelector,
761		newContext = context && context.ownerDocument,
762
763		// nodeType defaults to 9, since context defaults to document
764		nodeType = context ? context.nodeType : 9;
765
766	results = results || [];
767
768	// Return early from calls with invalid selector or context
769	if ( typeof selector !== "string" || !selector ||
770		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
771
772		return results;
773	}
774
775	// Try to shortcut find operations (as opposed to filters) in HTML documents
776	if ( !seed ) {
777		setDocument( context );
778		context = context || document;
779
780		if ( documentIsHTML ) {
781
782			// If the selector is sufficiently simple, try using a "get*By*" DOM method
783			// (excepting DocumentFragment context, where the methods don't exist)
784			if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
785
786				// ID selector
787				if ( ( m = match[ 1 ] ) ) {
788
789					// Document context
790					if ( nodeType === 9 ) {
791						if ( ( elem = context.getElementById( m ) ) ) {
792
793							// Support: IE, Opera, Webkit
794							// TODO: identify versions
795							// getElementById can match elements by name instead of ID
796							if ( elem.id === m ) {
797								results.push( elem );
798								return results;
799							}
800						} else {
801							return results;
802						}
803
804					// Element context
805					} else {
806
807						// Support: IE, Opera, Webkit
808						// TODO: identify versions
809						// getElementById can match elements by name instead of ID
810						if ( newContext && ( elem = newContext.getElementById( m ) ) &&
811							contains( context, elem ) &&
812							elem.id === m ) {
813
814							results.push( elem );
815							return results;
816						}
817					}
818
819				// Type selector
820				} else if ( match[ 2 ] ) {
821					push.apply( results, context.getElementsByTagName( selector ) );
822					return results;
823
824				// Class selector
825				} else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
826					context.getElementsByClassName ) {
827
828					push.apply( results, context.getElementsByClassName( m ) );
829					return results;
830				}
831			}
832
833			// Take advantage of querySelectorAll
834			if ( support.qsa &&
835				!nonnativeSelectorCache[ selector + " " ] &&
836				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
837
838				// Support: IE 8 only
839				// Exclude object elements
840				( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
841
842				newSelector = selector;
843				newContext = context;
844
845				// qSA considers elements outside a scoping root when evaluating child or
846				// descendant combinators, which is not what we want.
847				// In such cases, we work around the behavior by prefixing every selector in the
848				// list with an ID selector referencing the scope context.
849				// The technique has to be used as well when a leading combinator is used
850				// as such selectors are not recognized by querySelectorAll.
851				// Thanks to Andrew Dupont for this technique.
852				if ( nodeType === 1 &&
853					( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
854
855					// Expand context for sibling selectors
856					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
857						context;
858
859					// We can use :scope instead of the ID hack if the browser
860					// supports it & if we're not changing the context.
861					if ( newContext !== context || !support.scope ) {
862
863						// Capture the context ID, setting it first if necessary
864						if ( ( nid = context.getAttribute( "id" ) ) ) {
865							nid = nid.replace( rcssescape, fcssescape );
866						} else {
867							context.setAttribute( "id", ( nid = expando ) );
868						}
869					}
870
871					// Prefix every selector in the list
872					groups = tokenize( selector );
873					i = groups.length;
874					while ( i-- ) {
875						groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
876							toSelector( groups[ i ] );
877					}
878					newSelector = groups.join( "," );
879				}
880
881				try {
882					push.apply( results,
883						newContext.querySelectorAll( newSelector )
884					);
885					return results;
886				} catch ( qsaError ) {
887					nonnativeSelectorCache( selector, true );
888				} finally {
889					if ( nid === expando ) {
890						context.removeAttribute( "id" );
891					}
892				}
893			}
894		}
895	}
896
897	// All others
898	return select( selector.replace( rtrim, "$1" ), context, results, seed );
899}
900
901/**
902 * Create key-value caches of limited size
903 * @returns {function(string, object)} Returns the Object data after storing it on itself with
904 *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
905 *	deleting the oldest entry
906 */
907function createCache() {
908	var keys = [];
909
910	function cache( key, value ) {
911
912		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
913		if ( keys.push( key + " " ) > Expr.cacheLength ) {
914
915			// Only keep the most recent entries
916			delete cache[ keys.shift() ];
917		}
918		return ( cache[ key + " " ] = value );
919	}
920	return cache;
921}
922
923/**
924 * Mark a function for special use by Sizzle
925 * @param {Function} fn The function to mark
926 */
927function markFunction( fn ) {
928	fn[ expando ] = true;
929	return fn;
930}
931
932/**
933 * Support testing using an element
934 * @param {Function} fn Passed the created element and returns a boolean result
935 */
936function assert( fn ) {
937	var el = document.createElement( "fieldset" );
938
939	try {
940		return !!fn( el );
941	} catch ( e ) {
942		return false;
943	} finally {
944
945		// Remove from its parent by default
946		if ( el.parentNode ) {
947			el.parentNode.removeChild( el );
948		}
949
950		// release memory in IE
951		el = null;
952	}
953}
954
955/**
956 * Adds the same handler for all of the specified attrs
957 * @param {String} attrs Pipe-separated list of attributes
958 * @param {Function} handler The method that will be applied
959 */
960function addHandle( attrs, handler ) {
961	var arr = attrs.split( "|" ),
962		i = arr.length;
963
964	while ( i-- ) {
965		Expr.attrHandle[ arr[ i ] ] = handler;
966	}
967}
968
969/**
970 * Checks document order of two siblings
971 * @param {Element} a
972 * @param {Element} b
973 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
974 */
975function siblingCheck( a, b ) {
976	var cur = b && a,
977		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
978			a.sourceIndex - b.sourceIndex;
979
980	// Use IE sourceIndex if available on both nodes
981	if ( diff ) {
982		return diff;
983	}
984
985	// Check if b follows a
986	if ( cur ) {
987		while ( ( cur = cur.nextSibling ) ) {
988			if ( cur === b ) {
989				return -1;
990			}
991		}
992	}
993
994	return a ? 1 : -1;
995}
996
997/**
998 * Returns a function to use in pseudos for input types
999 * @param {String} type
1000 */
1001function createInputPseudo( type ) {
1002	return function( elem ) {
1003		var name = elem.nodeName.toLowerCase();
1004		return name === "input" && elem.type === type;
1005	};
1006}
1007
1008/**
1009 * Returns a function to use in pseudos for buttons
1010 * @param {String} type
1011 */
1012function createButtonPseudo( type ) {
1013	return function( elem ) {
1014		var name = elem.nodeName.toLowerCase();
1015		return ( name === "input" || name === "button" ) && elem.type === type;
1016	};
1017}
1018
1019/**
1020 * Returns a function to use in pseudos for :enabled/:disabled
1021 * @param {Boolean} disabled true for :disabled; false for :enabled
1022 */
1023function createDisabledPseudo( disabled ) {
1024
1025	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1026	return function( elem ) {
1027
1028		// Only certain elements can match :enabled or :disabled
1029		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1030		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1031		if ( "form" in elem ) {
1032
1033			// Check for inherited disabledness on relevant non-disabled elements:
1034			// * listed form-associated elements in a disabled fieldset
1035			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
1036			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1037			// * option elements in a disabled optgroup
1038			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1039			// All such elements have a "form" property.
1040			if ( elem.parentNode && elem.disabled === false ) {
1041
1042				// Option elements defer to a parent optgroup if present
1043				if ( "label" in elem ) {
1044					if ( "label" in elem.parentNode ) {
1045						return elem.parentNode.disabled === disabled;
1046					} else {
1047						return elem.disabled === disabled;
1048					}
1049				}
1050
1051				// Support: IE 6 - 11
1052				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
1053				return elem.isDisabled === disabled ||
1054
1055					// Where there is no isDisabled, check manually
1056					/* jshint -W018 */
1057					elem.isDisabled !== !disabled &&
1058					inDisabledFieldset( elem ) === disabled;
1059			}
1060
1061			return elem.disabled === disabled;
1062
1063		// Try to winnow out elements that can't be disabled before trusting the disabled property.
1064		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1065		// even exist on them, let alone have a boolean value.
1066		} else if ( "label" in elem ) {
1067			return elem.disabled === disabled;
1068		}
1069
1070		// Remaining elements are neither :enabled nor :disabled
1071		return false;
1072	};
1073}
1074
1075/**
1076 * Returns a function to use in pseudos for positionals
1077 * @param {Function} fn
1078 */
1079function createPositionalPseudo( fn ) {
1080	return markFunction( function( argument ) {
1081		argument = +argument;
1082		return markFunction( function( seed, matches ) {
1083			var j,
1084				matchIndexes = fn( [], seed.length, argument ),
1085				i = matchIndexes.length;
1086
1087			// Match elements found at the specified indexes
1088			while ( i-- ) {
1089				if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1090					seed[ j ] = !( matches[ j ] = seed[ j ] );
1091				}
1092			}
1093		} );
1094	} );
1095}
1096
1097/**
1098 * Checks a node for validity as a Sizzle context
1099 * @param {Element|Object=} context
1100 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1101 */
1102function testContext( context ) {
1103	return context && typeof context.getElementsByTagName !== "undefined" && context;
1104}
1105
1106// Expose support vars for convenience
1107support = Sizzle.support = {};
1108
1109/**
1110 * Detects XML nodes
1111 * @param {Element|Object} elem An element or a document
1112 * @returns {Boolean} True iff elem is a non-HTML XML node
1113 */
1114isXML = Sizzle.isXML = function( elem ) {
1115	var namespace = elem && elem.namespaceURI,
1116		docElem = elem && ( elem.ownerDocument || elem ).documentElement;
1117
1118	// Support: IE <=8
1119	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1120	// https://bugs.jquery.com/ticket/4833
1121	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1122};
1123
1124/**
1125 * Sets document-related variables once based on the current document
1126 * @param {Element|Object} [doc] An element or document object to use to set the document
1127 * @returns {Object} Returns the current document
1128 */
1129setDocument = Sizzle.setDocument = function( node ) {
1130	var hasCompare, subWindow,
1131		doc = node ? node.ownerDocument || node : preferredDoc;
1132
1133	// Return early if doc is invalid or already selected
1134	// Support: IE 11+, Edge 17 - 18+
1135	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1136	// two documents; shallow comparisons work.
1137	// eslint-disable-next-line eqeqeq
1138	if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1139		return document;
1140	}
1141
1142	// Update global variables
1143	document = doc;
1144	docElem = document.documentElement;
1145	documentIsHTML = !isXML( document );
1146
1147	// Support: IE 9 - 11+, Edge 12 - 18+
1148	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1149	// Support: IE 11+, Edge 17 - 18+
1150	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1151	// two documents; shallow comparisons work.
1152	// eslint-disable-next-line eqeqeq
1153	if ( preferredDoc != document &&
1154		( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1155
1156		// Support: IE 11, Edge
1157		if ( subWindow.addEventListener ) {
1158			subWindow.addEventListener( "unload", unloadHandler, false );
1159
1160		// Support: IE 9 - 10 only
1161		} else if ( subWindow.attachEvent ) {
1162			subWindow.attachEvent( "onunload", unloadHandler );
1163		}
1164	}
1165
1166	// Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
1167	// Safari 4 - 5 only, Opera <=11.6 - 12.x only
1168	// IE/Edge & older browsers don't support the :scope pseudo-class.
1169	// Support: Safari 6.0 only
1170	// Safari 6.0 supports :scope but it's an alias of :root there.
1171	support.scope = assert( function( el ) {
1172		docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
1173		return typeof el.querySelectorAll !== "undefined" &&
1174			!el.querySelectorAll( ":scope fieldset div" ).length;
1175	} );
1176
1177	/* Attributes
1178	---------------------------------------------------------------------- */
1179
1180	// Support: IE<8
1181	// Verify that getAttribute really returns attributes and not properties
1182	// (excepting IE8 booleans)
1183	support.attributes = assert( function( el ) {
1184		el.className = "i";
1185		return !el.getAttribute( "className" );
1186	} );
1187
1188	/* getElement(s)By*
1189	---------------------------------------------------------------------- */
1190
1191	// Check if getElementsByTagName("*") returns only elements
1192	support.getElementsByTagName = assert( function( el ) {
1193		el.appendChild( document.createComment( "" ) );
1194		return !el.getElementsByTagName( "*" ).length;
1195	} );
1196
1197	// Support: IE<9
1198	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1199
1200	// Support: IE<10
1201	// Check if getElementById returns elements by name
1202	// The broken getElementById methods don't pick up programmatically-set names,
1203	// so use a roundabout getElementsByName test
1204	support.getById = assert( function( el ) {
1205		docElem.appendChild( el ).id = expando;
1206		return !document.getElementsByName || !document.getElementsByName( expando ).length;
1207	} );
1208
1209	// ID filter and find
1210	if ( support.getById ) {
1211		Expr.filter[ "ID" ] = function( id ) {
1212			var attrId = id.replace( runescape, funescape );
1213			return function( elem ) {
1214				return elem.getAttribute( "id" ) === attrId;
1215			};
1216		};
1217		Expr.find[ "ID" ] = function( id, context ) {
1218			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1219				var elem = context.getElementById( id );
1220				return elem ? [ elem ] : [];
1221			}
1222		};
1223	} else {
1224		Expr.filter[ "ID" ] =  function( id ) {
1225			var attrId = id.replace( runescape, funescape );
1226			return function( elem ) {
1227				var node = typeof elem.getAttributeNode !== "undefined" &&
1228					elem.getAttributeNode( "id" );
1229				return node && node.value === attrId;
1230			};
1231		};
1232
1233		// Support: IE 6 - 7 only
1234		// getElementById is not reliable as a find shortcut
1235		Expr.find[ "ID" ] = function( id, context ) {
1236			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1237				var node, i, elems,
1238					elem = context.getElementById( id );
1239
1240				if ( elem ) {
1241
1242					// Verify the id attribute
1243					node = elem.getAttributeNode( "id" );
1244					if ( node && node.value === id ) {
1245						return [ elem ];
1246					}
1247
1248					// Fall back on getElementsByName
1249					elems = context.getElementsByName( id );
1250					i = 0;
1251					while ( ( elem = elems[ i++ ] ) ) {
1252						node = elem.getAttributeNode( "id" );
1253						if ( node && node.value === id ) {
1254							return [ elem ];
1255						}
1256					}
1257				}
1258
1259				return [];
1260			}
1261		};
1262	}
1263
1264	// Tag
1265	Expr.find[ "TAG" ] = support.getElementsByTagName ?
1266		function( tag, context ) {
1267			if ( typeof context.getElementsByTagName !== "undefined" ) {
1268				return context.getElementsByTagName( tag );
1269
1270			// DocumentFragment nodes don't have gEBTN
1271			} else if ( support.qsa ) {
1272				return context.querySelectorAll( tag );
1273			}
1274		} :
1275
1276		function( tag, context ) {
1277			var elem,
1278				tmp = [],
1279				i = 0,
1280
1281				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1282				results = context.getElementsByTagName( tag );
1283
1284			// Filter out possible comments
1285			if ( tag === "*" ) {
1286				while ( ( elem = results[ i++ ] ) ) {
1287					if ( elem.nodeType === 1 ) {
1288						tmp.push( elem );
1289					}
1290				}
1291
1292				return tmp;
1293			}
1294			return results;
1295		};
1296
1297	// Class
1298	Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
1299		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1300			return context.getElementsByClassName( className );
1301		}
1302	};
1303
1304	/* QSA/matchesSelector
1305	---------------------------------------------------------------------- */
1306
1307	// QSA and matchesSelector support
1308
1309	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1310	rbuggyMatches = [];
1311
1312	// qSa(:focus) reports false when true (Chrome 21)
1313	// We allow this because of a bug in IE8/9 that throws an error
1314	// whenever `document.activeElement` is accessed on an iframe
1315	// So, we allow :focus to pass through QSA all the time to avoid the IE error
1316	// See https://bugs.jquery.com/ticket/13378
1317	rbuggyQSA = [];
1318
1319	if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
1320
1321		// Build QSA regex
1322		// Regex strategy adopted from Diego Perini
1323		assert( function( el ) {
1324
1325			var input;
1326
1327			// Select is set to empty string on purpose
1328			// This is to test IE's treatment of not explicitly
1329			// setting a boolean content attribute,
1330			// since its presence should be enough
1331			// https://bugs.jquery.com/ticket/12359
1332			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1333				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
1334				"<option selected=''></option></select>";
1335
1336			// Support: IE8, Opera 11-12.16
1337			// Nothing should be selected when empty strings follow ^= or $= or *=
1338			// The test attribute must be unknown in Opera but "safe" for WinRT
1339			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1340			if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
1341				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1342			}
1343
1344			// Support: IE8
1345			// Boolean attributes and "value" are not treated correctly
1346			if ( !el.querySelectorAll( "[selected]" ).length ) {
1347				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1348			}
1349
1350			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1351			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1352				rbuggyQSA.push( "~=" );
1353			}
1354
1355			// Support: IE 11+, Edge 15 - 18+
1356			// IE 11/Edge don't find elements on a `[name='']` query in some cases.
1357			// Adding a temporary attribute to the document before the selection works
1358			// around the issue.
1359			// Interestingly, IE 10 & older don't seem to have the issue.
1360			input = document.createElement( "input" );
1361			input.setAttribute( "name", "" );
1362			el.appendChild( input );
1363			if ( !el.querySelectorAll( "[name='']" ).length ) {
1364				rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1365					whitespace + "*(?:''|\"\")" );
1366			}
1367
1368			// Webkit/Opera - :checked should return selected option elements
1369			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1370			// IE8 throws error here and will not see later tests
1371			if ( !el.querySelectorAll( ":checked" ).length ) {
1372				rbuggyQSA.push( ":checked" );
1373			}
1374
1375			// Support: Safari 8+, iOS 8+
1376			// https://bugs.webkit.org/show_bug.cgi?id=136851
1377			// In-page `selector#id sibling-combinator selector` fails
1378			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1379				rbuggyQSA.push( ".#.+[+~]" );
1380			}
1381
1382			// Support: Firefox <=3.6 - 5 only
1383			// Old Firefox doesn't throw on a badly-escaped identifier.
1384			el.querySelectorAll( "\\\f" );
1385			rbuggyQSA.push( "[\\r\\n\\f]" );
1386		} );
1387
1388		assert( function( el ) {
1389			el.innerHTML = "<a href='' disabled='disabled'></a>" +
1390				"<select disabled='disabled'><option/></select>";
1391
1392			// Support: Windows 8 Native Apps
1393			// The type and name attributes are restricted during .innerHTML assignment
1394			var input = document.createElement( "input" );
1395			input.setAttribute( "type", "hidden" );
1396			el.appendChild( input ).setAttribute( "name", "D" );
1397
1398			// Support: IE8
1399			// Enforce case-sensitivity of name attribute
1400			if ( el.querySelectorAll( "[name=d]" ).length ) {
1401				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1402			}
1403
1404			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1405			// IE8 throws error here and will not see later tests
1406			if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
1407				rbuggyQSA.push( ":enabled", ":disabled" );
1408			}
1409
1410			// Support: IE9-11+
1411			// IE's :disabled selector does not pick up the children of disabled fieldsets
1412			docElem.appendChild( el ).disabled = true;
1413			if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1414				rbuggyQSA.push( ":enabled", ":disabled" );
1415			}
1416
1417			// Support: Opera 10 - 11 only
1418			// Opera 10-11 does not throw on post-comma invalid pseudos
1419			el.querySelectorAll( "*,:x" );
1420			rbuggyQSA.push( ",.*:" );
1421		} );
1422	}
1423
1424	if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
1425		docElem.webkitMatchesSelector ||
1426		docElem.mozMatchesSelector ||
1427		docElem.oMatchesSelector ||
1428		docElem.msMatchesSelector ) ) ) ) {
1429
1430		assert( function( el ) {
1431
1432			// Check to see if it's possible to do matchesSelector
1433			// on a disconnected node (IE 9)
1434			support.disconnectedMatch = matches.call( el, "*" );
1435
1436			// This should fail with an exception
1437			// Gecko does not error, returns false instead
1438			matches.call( el, "[s!='']:x" );
1439			rbuggyMatches.push( "!=", pseudos );
1440		} );
1441	}
1442
1443	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1444	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
1445
1446	/* Contains
1447	---------------------------------------------------------------------- */
1448	hasCompare = rnative.test( docElem.compareDocumentPosition );
1449
1450	// Element contains another
1451	// Purposefully self-exclusive
1452	// As in, an element does not contain itself
1453	contains = hasCompare || rnative.test( docElem.contains ) ?
1454		function( a, b ) {
1455			var adown = a.nodeType === 9 ? a.documentElement : a,
1456				bup = b && b.parentNode;
1457			return a === bup || !!( bup && bup.nodeType === 1 && (
1458				adown.contains ?
1459					adown.contains( bup ) :
1460					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1461			) );
1462		} :
1463		function( a, b ) {
1464			if ( b ) {
1465				while ( ( b = b.parentNode ) ) {
1466					if ( b === a ) {
1467						return true;
1468					}
1469				}
1470			}
1471			return false;
1472		};
1473
1474	/* Sorting
1475	---------------------------------------------------------------------- */
1476
1477	// Document order sorting
1478	sortOrder = hasCompare ?
1479	function( a, b ) {
1480
1481		// Flag for duplicate removal
1482		if ( a === b ) {
1483			hasDuplicate = true;
1484			return 0;
1485		}
1486
1487		// Sort on method existence if only one input has compareDocumentPosition
1488		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1489		if ( compare ) {
1490			return compare;
1491		}
1492
1493		// Calculate position if both inputs belong to the same document
1494		// Support: IE 11+, Edge 17 - 18+
1495		// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1496		// two documents; shallow comparisons work.
1497		// eslint-disable-next-line eqeqeq
1498		compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1499			a.compareDocumentPosition( b ) :
1500
1501			// Otherwise we know they are disconnected
1502			1;
1503
1504		// Disconnected nodes
1505		if ( compare & 1 ||
1506			( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1507
1508			// Choose the first element that is related to our preferred document
1509			// Support: IE 11+, Edge 17 - 18+
1510			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1511			// two documents; shallow comparisons work.
1512			// eslint-disable-next-line eqeqeq
1513			if ( a == document || a.ownerDocument == preferredDoc &&
1514				contains( preferredDoc, a ) ) {
1515				return -1;
1516			}
1517
1518			// Support: IE 11+, Edge 17 - 18+
1519			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1520			// two documents; shallow comparisons work.
1521			// eslint-disable-next-line eqeqeq
1522			if ( b == document || b.ownerDocument == preferredDoc &&
1523				contains( preferredDoc, b ) ) {
1524				return 1;
1525			}
1526
1527			// Maintain original order
1528			return sortInput ?
1529				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1530				0;
1531		}
1532
1533		return compare & 4 ? -1 : 1;
1534	} :
1535	function( a, b ) {
1536
1537		// Exit early if the nodes are identical
1538		if ( a === b ) {
1539			hasDuplicate = true;
1540			return 0;
1541		}
1542
1543		var cur,
1544			i = 0,
1545			aup = a.parentNode,
1546			bup = b.parentNode,
1547			ap = [ a ],
1548			bp = [ b ];
1549
1550		// Parentless nodes are either documents or disconnected
1551		if ( !aup || !bup ) {
1552
1553			// Support: IE 11+, Edge 17 - 18+
1554			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1555			// two documents; shallow comparisons work.
1556			/* eslint-disable eqeqeq */
1557			return a == document ? -1 :
1558				b == document ? 1 :
1559				/* eslint-enable eqeqeq */
1560				aup ? -1 :
1561				bup ? 1 :
1562				sortInput ?
1563				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1564				0;
1565
1566		// If the nodes are siblings, we can do a quick check
1567		} else if ( aup === bup ) {
1568			return siblingCheck( a, b );
1569		}
1570
1571		// Otherwise we need full lists of their ancestors for comparison
1572		cur = a;
1573		while ( ( cur = cur.parentNode ) ) {
1574			ap.unshift( cur );
1575		}
1576		cur = b;
1577		while ( ( cur = cur.parentNode ) ) {
1578			bp.unshift( cur );
1579		}
1580
1581		// Walk down the tree looking for a discrepancy
1582		while ( ap[ i ] === bp[ i ] ) {
1583			i++;
1584		}
1585
1586		return i ?
1587
1588			// Do a sibling check if the nodes have a common ancestor
1589			siblingCheck( ap[ i ], bp[ i ] ) :
1590
1591			// Otherwise nodes in our document sort first
1592			// Support: IE 11+, Edge 17 - 18+
1593			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1594			// two documents; shallow comparisons work.
1595			/* eslint-disable eqeqeq */
1596			ap[ i ] == preferredDoc ? -1 :
1597			bp[ i ] == preferredDoc ? 1 :
1598			/* eslint-enable eqeqeq */
1599			0;
1600	};
1601
1602	return document;
1603};
1604
1605Sizzle.matches = function( expr, elements ) {
1606	return Sizzle( expr, null, null, elements );
1607};
1608
1609Sizzle.matchesSelector = function( elem, expr ) {
1610	setDocument( elem );
1611
1612	if ( support.matchesSelector && documentIsHTML &&
1613		!nonnativeSelectorCache[ expr + " " ] &&
1614		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1615		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1616
1617		try {
1618			var ret = matches.call( elem, expr );
1619
1620			// IE 9's matchesSelector returns false on disconnected nodes
1621			if ( ret || support.disconnectedMatch ||
1622
1623				// As well, disconnected nodes are said to be in a document
1624				// fragment in IE 9
1625				elem.document && elem.document.nodeType !== 11 ) {
1626				return ret;
1627			}
1628		} catch ( e ) {
1629			nonnativeSelectorCache( expr, true );
1630		}
1631	}
1632
1633	return Sizzle( expr, document, null, [ elem ] ).length > 0;
1634};
1635
1636Sizzle.contains = function( context, elem ) {
1637
1638	// Set document vars if needed
1639	// Support: IE 11+, Edge 17 - 18+
1640	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1641	// two documents; shallow comparisons work.
1642	// eslint-disable-next-line eqeqeq
1643	if ( ( context.ownerDocument || context ) != document ) {
1644		setDocument( context );
1645	}
1646	return contains( context, elem );
1647};
1648
1649Sizzle.attr = function( elem, name ) {
1650
1651	// Set document vars if needed
1652	// Support: IE 11+, Edge 17 - 18+
1653	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1654	// two documents; shallow comparisons work.
1655	// eslint-disable-next-line eqeqeq
1656	if ( ( elem.ownerDocument || elem ) != document ) {
1657		setDocument( elem );
1658	}
1659
1660	var fn = Expr.attrHandle[ name.toLowerCase() ],
1661
1662		// Don't get fooled by Object.prototype properties (jQuery #13807)
1663		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1664			fn( elem, name, !documentIsHTML ) :
1665			undefined;
1666
1667	return val !== undefined ?
1668		val :
1669		support.attributes || !documentIsHTML ?
1670			elem.getAttribute( name ) :
1671			( val = elem.getAttributeNode( name ) ) && val.specified ?
1672				val.value :
1673				null;
1674};
1675
1676Sizzle.escape = function( sel ) {
1677	return ( sel + "" ).replace( rcssescape, fcssescape );
1678};
1679
1680Sizzle.error = function( msg ) {
1681	throw new Error( "Syntax error, unrecognized expression: " + msg );
1682};
1683
1684/**
1685 * Document sorting and removing duplicates
1686 * @param {ArrayLike} results
1687 */
1688Sizzle.uniqueSort = function( results ) {
1689	var elem,
1690		duplicates = [],
1691		j = 0,
1692		i = 0;
1693
1694	// Unless we *know* we can detect duplicates, assume their presence
1695	hasDuplicate = !support.detectDuplicates;
1696	sortInput = !support.sortStable && results.slice( 0 );
1697	results.sort( sortOrder );
1698
1699	if ( hasDuplicate ) {
1700		while ( ( elem = results[ i++ ] ) ) {
1701			if ( elem === results[ i ] ) {
1702				j = duplicates.push( i );
1703			}
1704		}
1705		while ( j-- ) {
1706			results.splice( duplicates[ j ], 1 );
1707		}
1708	}
1709
1710	// Clear input after sorting to release objects
1711	// See https://github.com/jquery/sizzle/pull/225
1712	sortInput = null;
1713
1714	return results;
1715};
1716
1717/**
1718 * Utility function for retrieving the text value of an array of DOM nodes
1719 * @param {Array|Element} elem
1720 */
1721getText = Sizzle.getText = function( elem ) {
1722	var node,
1723		ret = "",
1724		i = 0,
1725		nodeType = elem.nodeType;
1726
1727	if ( !nodeType ) {
1728
1729		// If no nodeType, this is expected to be an array
1730		while ( ( node = elem[ i++ ] ) ) {
1731
1732			// Do not traverse comment nodes
1733			ret += getText( node );
1734		}
1735	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1736
1737		// Use textContent for elements
1738		// innerText usage removed for consistency of new lines (jQuery #11153)
1739		if ( typeof elem.textContent === "string" ) {
1740			return elem.textContent;
1741		} else {
1742
1743			// Traverse its children
1744			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1745				ret += getText( elem );
1746			}
1747		}
1748	} else if ( nodeType === 3 || nodeType === 4 ) {
1749		return elem.nodeValue;
1750	}
1751
1752	// Do not include comment or processing instruction nodes
1753
1754	return ret;
1755};
1756
1757Expr = Sizzle.selectors = {
1758
1759	// Can be adjusted by the user
1760	cacheLength: 50,
1761
1762	createPseudo: markFunction,
1763
1764	match: matchExpr,
1765
1766	attrHandle: {},
1767
1768	find: {},
1769
1770	relative: {
1771		">": { dir: "parentNode", first: true },
1772		" ": { dir: "parentNode" },
1773		"+": { dir: "previousSibling", first: true },
1774		"~": { dir: "previousSibling" }
1775	},
1776
1777	preFilter: {
1778		"ATTR": function( match ) {
1779			match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1780
1781			// Move the given value to match[3] whether quoted or unquoted
1782			match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
1783				match[ 5 ] || "" ).replace( runescape, funescape );
1784
1785			if ( match[ 2 ] === "~=" ) {
1786				match[ 3 ] = " " + match[ 3 ] + " ";
1787			}
1788
1789			return match.slice( 0, 4 );
1790		},
1791
1792		"CHILD": function( match ) {
1793
1794			/* matches from matchExpr["CHILD"]
1795				1 type (only|nth|...)
1796				2 what (child|of-type)
1797				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1798				4 xn-component of xn+y argument ([+-]?\d*n|)
1799				5 sign of xn-component
1800				6 x of xn-component
1801				7 sign of y-component
1802				8 y of y-component
1803			*/
1804			match[ 1 ] = match[ 1 ].toLowerCase();
1805
1806			if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1807
1808				// nth-* requires argument
1809				if ( !match[ 3 ] ) {
1810					Sizzle.error( match[ 0 ] );
1811				}
1812
1813				// numeric x and y parameters for Expr.filter.CHILD
1814				// remember that false/true cast respectively to 0/1
1815				match[ 4 ] = +( match[ 4 ] ?
1816					match[ 5 ] + ( match[ 6 ] || 1 ) :
1817					2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
1818				match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1819
1820				// other types prohibit arguments
1821			} else if ( match[ 3 ] ) {
1822				Sizzle.error( match[ 0 ] );
1823			}
1824
1825			return match;
1826		},
1827
1828		"PSEUDO": function( match ) {
1829			var excess,
1830				unquoted = !match[ 6 ] && match[ 2 ];
1831
1832			if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
1833				return null;
1834			}
1835
1836			// Accept quoted arguments as-is
1837			if ( match[ 3 ] ) {
1838				match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1839
1840			// Strip excess characters from unquoted arguments
1841			} else if ( unquoted && rpseudo.test( unquoted ) &&
1842
1843				// Get excess from tokenize (recursively)
1844				( excess = tokenize( unquoted, true ) ) &&
1845
1846				// advance to the next closing parenthesis
1847				( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1848
1849				// excess is a negative index
1850				match[ 0 ] = match[ 0 ].slice( 0, excess );
1851				match[ 2 ] = unquoted.slice( 0, excess );
1852			}
1853
1854			// Return only captures needed by the pseudo filter method (type and argument)
1855			return match.slice( 0, 3 );
1856		}
1857	},
1858
1859	filter: {
1860
1861		"TAG": function( nodeNameSelector ) {
1862			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1863			return nodeNameSelector === "*" ?
1864				function() {
1865					return true;
1866				} :
1867				function( elem ) {
1868					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1869				};
1870		},
1871
1872		"CLASS": function( className ) {
1873			var pattern = classCache[ className + " " ];
1874
1875			return pattern ||
1876				( pattern = new RegExp( "(^|" + whitespace +
1877					")" + className + "(" + whitespace + "|$)" ) ) && classCache(
1878						className, function( elem ) {
1879							return pattern.test(
1880								typeof elem.className === "string" && elem.className ||
1881								typeof elem.getAttribute !== "undefined" &&
1882									elem.getAttribute( "class" ) ||
1883								""
1884							);
1885				} );
1886		},
1887
1888		"ATTR": function( name, operator, check ) {
1889			return function( elem ) {
1890				var result = Sizzle.attr( elem, name );
1891
1892				if ( result == null ) {
1893					return operator === "!=";
1894				}
1895				if ( !operator ) {
1896					return true;
1897				}
1898
1899				result += "";
1900
1901				/* eslint-disable max-len */
1902
1903				return operator === "=" ? result === check :
1904					operator === "!=" ? result !== check :
1905					operator === "^=" ? check && result.indexOf( check ) === 0 :
1906					operator === "*=" ? check && result.indexOf( check ) > -1 :
1907					operator === "$=" ? check && result.slice( -check.length ) === check :
1908					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1909					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1910					false;
1911				/* eslint-enable max-len */
1912
1913			};
1914		},
1915
1916		"CHILD": function( type, what, _argument, first, last ) {
1917			var simple = type.slice( 0, 3 ) !== "nth",
1918				forward = type.slice( -4 ) !== "last",
1919				ofType = what === "of-type";
1920
1921			return first === 1 && last === 0 ?
1922
1923				// Shortcut for :nth-*(n)
1924				function( elem ) {
1925					return !!elem.parentNode;
1926				} :
1927
1928				function( elem, _context, xml ) {
1929					var cache, uniqueCache, outerCache, node, nodeIndex, start,
1930						dir = simple !== forward ? "nextSibling" : "previousSibling",
1931						parent = elem.parentNode,
1932						name = ofType && elem.nodeName.toLowerCase(),
1933						useCache = !xml && !ofType,
1934						diff = false;
1935
1936					if ( parent ) {
1937
1938						// :(first|last|only)-(child|of-type)
1939						if ( simple ) {
1940							while ( dir ) {
1941								node = elem;
1942								while ( ( node = node[ dir ] ) ) {
1943									if ( ofType ?
1944										node.nodeName.toLowerCase() === name :
1945										node.nodeType === 1 ) {
1946
1947										return false;
1948									}
1949								}
1950
1951								// Reverse direction for :only-* (if we haven't yet done so)
1952								start = dir = type === "only" && !start && "nextSibling";
1953							}
1954							return true;
1955						}
1956
1957						start = [ forward ? parent.firstChild : parent.lastChild ];
1958
1959						// non-xml :nth-child(...) stores cache data on `parent`
1960						if ( forward && useCache ) {
1961
1962							// Seek `elem` from a previously-cached index
1963
1964							// ...in a gzip-friendly way
1965							node = parent;
1966							outerCache = node[ expando ] || ( node[ expando ] = {} );
1967
1968							// Support: IE <9 only
1969							// Defend against cloned attroperties (jQuery gh-1709)
1970							uniqueCache = outerCache[ node.uniqueID ] ||
1971								( outerCache[ node.uniqueID ] = {} );
1972
1973							cache = uniqueCache[ type ] || [];
1974							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1975							diff = nodeIndex && cache[ 2 ];
1976							node = nodeIndex && parent.childNodes[ nodeIndex ];
1977
1978							while ( ( node = ++nodeIndex && node && node[ dir ] ||
1979
1980								// Fallback to seeking `elem` from the start
1981								( diff = nodeIndex = 0 ) || start.pop() ) ) {
1982
1983								// When found, cache indexes on `parent` and break
1984								if ( node.nodeType === 1 && ++diff && node === elem ) {
1985									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1986									break;
1987								}
1988							}
1989
1990						} else {
1991
1992							// Use previously-cached element index if available
1993							if ( useCache ) {
1994
1995								// ...in a gzip-friendly way
1996								node = elem;
1997								outerCache = node[ expando ] || ( node[ expando ] = {} );
1998
1999								// Support: IE <9 only
2000								// Defend against cloned attroperties (jQuery gh-1709)
2001								uniqueCache = outerCache[ node.uniqueID ] ||
2002									( outerCache[ node.uniqueID ] = {} );
2003
2004								cache = uniqueCache[ type ] || [];
2005								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
2006								diff = nodeIndex;
2007							}
2008
2009							// xml :nth-child(...)
2010							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
2011							if ( diff === false ) {
2012
2013								// Use the same loop as above to seek `elem` from the start
2014								while ( ( node = ++nodeIndex && node && node[ dir ] ||
2015									( diff = nodeIndex = 0 ) || start.pop() ) ) {
2016
2017									if ( ( ofType ?
2018										node.nodeName.toLowerCase() === name :
2019										node.nodeType === 1 ) &&
2020										++diff ) {
2021
2022										// Cache the index of each encountered element
2023										if ( useCache ) {
2024											outerCache = node[ expando ] ||
2025												( node[ expando ] = {} );
2026
2027											// Support: IE <9 only
2028											// Defend against cloned attroperties (jQuery gh-1709)
2029											uniqueCache = outerCache[ node.uniqueID ] ||
2030												( outerCache[ node.uniqueID ] = {} );
2031
2032											uniqueCache[ type ] = [ dirruns, diff ];
2033										}
2034
2035										if ( node === elem ) {
2036											break;
2037										}
2038									}
2039								}
2040							}
2041						}
2042
2043						// Incorporate the offset, then check against cycle size
2044						diff -= last;
2045						return diff === first || ( diff % first === 0 && diff / first >= 0 );
2046					}
2047				};
2048		},
2049
2050		"PSEUDO": function( pseudo, argument ) {
2051
2052			// pseudo-class names are case-insensitive
2053			// http://www.w3.org/TR/selectors/#pseudo-classes
2054			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2055			// Remember that setFilters inherits from pseudos
2056			var args,
2057				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2058					Sizzle.error( "unsupported pseudo: " + pseudo );
2059
2060			// The user may use createPseudo to indicate that
2061			// arguments are needed to create the filter function
2062			// just as Sizzle does
2063			if ( fn[ expando ] ) {
2064				return fn( argument );
2065			}
2066
2067			// But maintain support for old signatures
2068			if ( fn.length > 1 ) {
2069				args = [ pseudo, pseudo, "", argument ];
2070				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2071					markFunction( function( seed, matches ) {
2072						var idx,
2073							matched = fn( seed, argument ),
2074							i = matched.length;
2075						while ( i-- ) {
2076							idx = indexOf( seed, matched[ i ] );
2077							seed[ idx ] = !( matches[ idx ] = matched[ i ] );
2078						}
2079					} ) :
2080					function( elem ) {
2081						return fn( elem, 0, args );
2082					};
2083			}
2084
2085			return fn;
2086		}
2087	},
2088
2089	pseudos: {
2090
2091		// Potentially complex pseudos
2092		"not": markFunction( function( selector ) {
2093
2094			// Trim the selector passed to compile
2095			// to avoid treating leading and trailing
2096			// spaces as combinators
2097			var input = [],
2098				results = [],
2099				matcher = compile( selector.replace( rtrim, "$1" ) );
2100
2101			return matcher[ expando ] ?
2102				markFunction( function( seed, matches, _context, xml ) {
2103					var elem,
2104						unmatched = matcher( seed, null, xml, [] ),
2105						i = seed.length;
2106
2107					// Match elements unmatched by `matcher`
2108					while ( i-- ) {
2109						if ( ( elem = unmatched[ i ] ) ) {
2110							seed[ i ] = !( matches[ i ] = elem );
2111						}
2112					}
2113				} ) :
2114				function( elem, _context, xml ) {
2115					input[ 0 ] = elem;
2116					matcher( input, null, xml, results );
2117
2118					// Don't keep the element (issue #299)
2119					input[ 0 ] = null;
2120					return !results.pop();
2121				};
2122		} ),
2123
2124		"has": markFunction( function( selector ) {
2125			return function( elem ) {
2126				return Sizzle( selector, elem ).length > 0;
2127			};
2128		} ),
2129
2130		"contains": markFunction( function( text ) {
2131			text = text.replace( runescape, funescape );
2132			return function( elem ) {
2133				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
2134			};
2135		} ),
2136
2137		// "Whether an element is represented by a :lang() selector
2138		// is based solely on the element's language value
2139		// being equal to the identifier C,
2140		// or beginning with the identifier C immediately followed by "-".
2141		// The matching of C against the element's language value is performed case-insensitively.
2142		// The identifier C does not have to be a valid language name."
2143		// http://www.w3.org/TR/selectors/#lang-pseudo
2144		"lang": markFunction( function( lang ) {
2145
2146			// lang value must be a valid identifier
2147			if ( !ridentifier.test( lang || "" ) ) {
2148				Sizzle.error( "unsupported lang: " + lang );
2149			}
2150			lang = lang.replace( runescape, funescape ).toLowerCase();
2151			return function( elem ) {
2152				var elemLang;
2153				do {
2154					if ( ( elemLang = documentIsHTML ?
2155						elem.lang :
2156						elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
2157
2158						elemLang = elemLang.toLowerCase();
2159						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2160					}
2161				} while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
2162				return false;
2163			};
2164		} ),
2165
2166		// Miscellaneous
2167		"target": function( elem ) {
2168			var hash = window.location && window.location.hash;
2169			return hash && hash.slice( 1 ) === elem.id;
2170		},
2171
2172		"root": function( elem ) {
2173			return elem === docElem;
2174		},
2175
2176		"focus": function( elem ) {
2177			return elem === document.activeElement &&
2178				( !document.hasFocus || document.hasFocus() ) &&
2179				!!( elem.type || elem.href || ~elem.tabIndex );
2180		},
2181
2182		// Boolean properties
2183		"enabled": createDisabledPseudo( false ),
2184		"disabled": createDisabledPseudo( true ),
2185
2186		"checked": function( elem ) {
2187
2188			// In CSS3, :checked should return both checked and selected elements
2189			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2190			var nodeName = elem.nodeName.toLowerCase();
2191			return ( nodeName === "input" && !!elem.checked ) ||
2192				( nodeName === "option" && !!elem.selected );
2193		},
2194
2195		"selected": function( elem ) {
2196
2197			// Accessing this property makes selected-by-default
2198			// options in Safari work properly
2199			if ( elem.parentNode ) {
2200				// eslint-disable-next-line no-unused-expressions
2201				elem.parentNode.selectedIndex;
2202			}
2203
2204			return elem.selected === true;
2205		},
2206
2207		// Contents
2208		"empty": function( elem ) {
2209
2210			// http://www.w3.org/TR/selectors/#empty-pseudo
2211			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2212			//   but not by others (comment: 8; processing instruction: 7; etc.)
2213			// nodeType < 6 works because attributes (2) do not appear as children
2214			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2215				if ( elem.nodeType < 6 ) {
2216					return false;
2217				}
2218			}
2219			return true;
2220		},
2221
2222		"parent": function( elem ) {
2223			return !Expr.pseudos[ "empty" ]( elem );
2224		},
2225
2226		// Element/input types
2227		"header": function( elem ) {
2228			return rheader.test( elem.nodeName );
2229		},
2230
2231		"input": function( elem ) {
2232			return rinputs.test( elem.nodeName );
2233		},
2234
2235		"button": function( elem ) {
2236			var name = elem.nodeName.toLowerCase();
2237			return name === "input" && elem.type === "button" || name === "button";
2238		},
2239
2240		"text": function( elem ) {
2241			var attr;
2242			return elem.nodeName.toLowerCase() === "input" &&
2243				elem.type === "text" &&
2244
2245				// Support: IE<8
2246				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2247				( ( attr = elem.getAttribute( "type" ) ) == null ||
2248					attr.toLowerCase() === "text" );
2249		},
2250
2251		// Position-in-collection
2252		"first": createPositionalPseudo( function() {
2253			return [ 0 ];
2254		} ),
2255
2256		"last": createPositionalPseudo( function( _matchIndexes, length ) {
2257			return [ length - 1 ];
2258		} ),
2259
2260		"eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
2261			return [ argument < 0 ? argument + length : argument ];
2262		} ),
2263
2264		"even": createPositionalPseudo( function( matchIndexes, length ) {
2265			var i = 0;
2266			for ( ; i < length; i += 2 ) {
2267				matchIndexes.push( i );
2268			}
2269			return matchIndexes;
2270		} ),
2271
2272		"odd": createPositionalPseudo( function( matchIndexes, length ) {
2273			var i = 1;
2274			for ( ; i < length; i += 2 ) {
2275				matchIndexes.push( i );
2276			}
2277			return matchIndexes;
2278		} ),
2279
2280		"lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2281			var i = argument < 0 ?
2282				argument + length :
2283				argument > length ?
2284					length :
2285					argument;
2286			for ( ; --i >= 0; ) {
2287				matchIndexes.push( i );
2288			}
2289			return matchIndexes;
2290		} ),
2291
2292		"gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2293			var i = argument < 0 ? argument + length : argument;
2294			for ( ; ++i < length; ) {
2295				matchIndexes.push( i );
2296			}
2297			return matchIndexes;
2298		} )
2299	}
2300};
2301
2302Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
2303
2304// Add button/input type pseudos
2305for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2306	Expr.pseudos[ i ] = createInputPseudo( i );
2307}
2308for ( i in { submit: true, reset: true } ) {
2309	Expr.pseudos[ i ] = createButtonPseudo( i );
2310}
2311
2312// Easy API for creating new setFilters
2313function setFilters() {}
2314setFilters.prototype = Expr.filters = Expr.pseudos;
2315Expr.setFilters = new setFilters();
2316
2317tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2318	var matched, match, tokens, type,
2319		soFar, groups, preFilters,
2320		cached = tokenCache[ selector + " " ];
2321
2322	if ( cached ) {
2323		return parseOnly ? 0 : cached.slice( 0 );
2324	}
2325
2326	soFar = selector;
2327	groups = [];
2328	preFilters = Expr.preFilter;
2329
2330	while ( soFar ) {
2331
2332		// Comma and first run
2333		if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2334			if ( match ) {
2335
2336				// Don't consume trailing commas as valid
2337				soFar = soFar.slice( match[ 0 ].length ) || soFar;
2338			}
2339			groups.push( ( tokens = [] ) );
2340		}
2341
2342		matched = false;
2343
2344		// Combinators
2345		if ( ( match = rcombinators.exec( soFar ) ) ) {
2346			matched = match.shift();
2347			tokens.push( {
2348				value: matched,
2349
2350				// Cast descendant combinators to space
2351				type: match[ 0 ].replace( rtrim, " " )
2352			} );
2353			soFar = soFar.slice( matched.length );
2354		}
2355
2356		// Filters
2357		for ( type in Expr.filter ) {
2358			if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2359				( match = preFilters[ type ]( match ) ) ) ) {
2360				matched = match.shift();
2361				tokens.push( {
2362					value: matched,
2363					type: type,
2364					matches: match
2365				} );
2366				soFar = soFar.slice( matched.length );
2367			}
2368		}
2369
2370		if ( !matched ) {
2371			break;
2372		}
2373	}
2374
2375	// Return the length of the invalid excess
2376	// if we're just parsing
2377	// Otherwise, throw an error or return tokens
2378	return parseOnly ?
2379		soFar.length :
2380		soFar ?
2381			Sizzle.error( selector ) :
2382
2383			// Cache the tokens
2384			tokenCache( selector, groups ).slice( 0 );
2385};
2386
2387function toSelector( tokens ) {
2388	var i = 0,
2389		len = tokens.length,
2390		selector = "";
2391	for ( ; i < len; i++ ) {
2392		selector += tokens[ i ].value;
2393	}
2394	return selector;
2395}
2396
2397function addCombinator( matcher, combinator, base ) {
2398	var dir = combinator.dir,
2399		skip = combinator.next,
2400		key = skip || dir,
2401		checkNonElements = base && key === "parentNode",
2402		doneName = done++;
2403
2404	return combinator.first ?
2405
2406		// Check against closest ancestor/preceding element
2407		function( elem, context, xml ) {
2408			while ( ( elem = elem[ dir ] ) ) {
2409				if ( elem.nodeType === 1 || checkNonElements ) {
2410					return matcher( elem, context, xml );
2411				}
2412			}
2413			return false;
2414		} :
2415
2416		// Check against all ancestor/preceding elements
2417		function( elem, context, xml ) {
2418			var oldCache, uniqueCache, outerCache,
2419				newCache = [ dirruns, doneName ];
2420
2421			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2422			if ( xml ) {
2423				while ( ( elem = elem[ dir ] ) ) {
2424					if ( elem.nodeType === 1 || checkNonElements ) {
2425						if ( matcher( elem, context, xml ) ) {
2426							return true;
2427						}
2428					}
2429				}
2430			} else {
2431				while ( ( elem = elem[ dir ] ) ) {
2432					if ( elem.nodeType === 1 || checkNonElements ) {
2433						outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2434
2435						// Support: IE <9 only
2436						// Defend against cloned attroperties (jQuery gh-1709)
2437						uniqueCache = outerCache[ elem.uniqueID ] ||
2438							( outerCache[ elem.uniqueID ] = {} );
2439
2440						if ( skip && skip === elem.nodeName.toLowerCase() ) {
2441							elem = elem[ dir ] || elem;
2442						} else if ( ( oldCache = uniqueCache[ key ] ) &&
2443							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2444
2445							// Assign to newCache so results back-propagate to previous elements
2446							return ( newCache[ 2 ] = oldCache[ 2 ] );
2447						} else {
2448
2449							// Reuse newcache so results back-propagate to previous elements
2450							uniqueCache[ key ] = newCache;
2451
2452							// A match means we're done; a fail means we have to keep checking
2453							if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2454								return true;
2455							}
2456						}
2457					}
2458				}
2459			}
2460			return false;
2461		};
2462}
2463
2464function elementMatcher( matchers ) {
2465	return matchers.length > 1 ?
2466		function( elem, context, xml ) {
2467			var i = matchers.length;
2468			while ( i-- ) {
2469				if ( !matchers[ i ]( elem, context, xml ) ) {
2470					return false;
2471				}
2472			}
2473			return true;
2474		} :
2475		matchers[ 0 ];
2476}
2477
2478function multipleContexts( selector, contexts, results ) {
2479	var i = 0,
2480		len = contexts.length;
2481	for ( ; i < len; i++ ) {
2482		Sizzle( selector, contexts[ i ], results );
2483	}
2484	return results;
2485}
2486
2487function condense( unmatched, map, filter, context, xml ) {
2488	var elem,
2489		newUnmatched = [],
2490		i = 0,
2491		len = unmatched.length,
2492		mapped = map != null;
2493
2494	for ( ; i < len; i++ ) {
2495		if ( ( elem = unmatched[ i ] ) ) {
2496			if ( !filter || filter( elem, context, xml ) ) {
2497				newUnmatched.push( elem );
2498				if ( mapped ) {
2499					map.push( i );
2500				}
2501			}
2502		}
2503	}
2504
2505	return newUnmatched;
2506}
2507
2508function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2509	if ( postFilter && !postFilter[ expando ] ) {
2510		postFilter = setMatcher( postFilter );
2511	}
2512	if ( postFinder && !postFinder[ expando ] ) {
2513		postFinder = setMatcher( postFinder, postSelector );
2514	}
2515	return markFunction( function( seed, results, context, xml ) {
2516		var temp, i, elem,
2517			preMap = [],
2518			postMap = [],
2519			preexisting = results.length,
2520
2521			// Get initial elements from seed or context
2522			elems = seed || multipleContexts(
2523				selector || "*",
2524				context.nodeType ? [ context ] : context,
2525				[]
2526			),
2527
2528			// Prefilter to get matcher input, preserving a map for seed-results synchronization
2529			matcherIn = preFilter && ( seed || !selector ) ?
2530				condense( elems, preMap, preFilter, context, xml ) :
2531				elems,
2532
2533			matcherOut = matcher ?
2534
2535				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2536				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2537
2538					// ...intermediate processing is necessary
2539					[] :
2540
2541					// ...otherwise use results directly
2542					results :
2543				matcherIn;
2544
2545		// Find primary matches
2546		if ( matcher ) {
2547			matcher( matcherIn, matcherOut, context, xml );
2548		}
2549
2550		// Apply postFilter
2551		if ( postFilter ) {
2552			temp = condense( matcherOut, postMap );
2553			postFilter( temp, [], context, xml );
2554
2555			// Un-match failing elements by moving them back to matcherIn
2556			i = temp.length;
2557			while ( i-- ) {
2558				if ( ( elem = temp[ i ] ) ) {
2559					matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2560				}
2561			}
2562		}
2563
2564		if ( seed ) {
2565			if ( postFinder || preFilter ) {
2566				if ( postFinder ) {
2567
2568					// Get the final matcherOut by condensing this intermediate into postFinder contexts
2569					temp = [];
2570					i = matcherOut.length;
2571					while ( i-- ) {
2572						if ( ( elem = matcherOut[ i ] ) ) {
2573
2574							// Restore matcherIn since elem is not yet a final match
2575							temp.push( ( matcherIn[ i ] = elem ) );
2576						}
2577					}
2578					postFinder( null, ( matcherOut = [] ), temp, xml );
2579				}
2580
2581				// Move matched elements from seed to results to keep them synchronized
2582				i = matcherOut.length;
2583				while ( i-- ) {
2584					if ( ( elem = matcherOut[ i ] ) &&
2585						( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
2586
2587						seed[ temp ] = !( results[ temp ] = elem );
2588					}
2589				}
2590			}
2591
2592		// Add elements to results, through postFinder if defined
2593		} else {
2594			matcherOut = condense(
2595				matcherOut === results ?
2596					matcherOut.splice( preexisting, matcherOut.length ) :
2597					matcherOut
2598			);
2599			if ( postFinder ) {
2600				postFinder( null, results, matcherOut, xml );
2601			} else {
2602				push.apply( results, matcherOut );
2603			}
2604		}
2605	} );
2606}
2607
2608function matcherFromTokens( tokens ) {
2609	var checkContext, matcher, j,
2610		len = tokens.length,
2611		leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2612		implicitRelative = leadingRelative || Expr.relative[ " " ],
2613		i = leadingRelative ? 1 : 0,
2614
2615		// The foundational matcher ensures that elements are reachable from top-level context(s)
2616		matchContext = addCombinator( function( elem ) {
2617			return elem === checkContext;
2618		}, implicitRelative, true ),
2619		matchAnyContext = addCombinator( function( elem ) {
2620			return indexOf( checkContext, elem ) > -1;
2621		}, implicitRelative, true ),
2622		matchers = [ function( elem, context, xml ) {
2623			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2624				( checkContext = context ).nodeType ?
2625					matchContext( elem, context, xml ) :
2626					matchAnyContext( elem, context, xml ) );
2627
2628			// Avoid hanging onto element (issue #299)
2629			checkContext = null;
2630			return ret;
2631		} ];
2632
2633	for ( ; i < len; i++ ) {
2634		if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2635			matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2636		} else {
2637			matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2638
2639			// Return special upon seeing a positional matcher
2640			if ( matcher[ expando ] ) {
2641
2642				// Find the next relative operator (if any) for proper handling
2643				j = ++i;
2644				for ( ; j < len; j++ ) {
2645					if ( Expr.relative[ tokens[ j ].type ] ) {
2646						break;
2647					}
2648				}
2649				return setMatcher(
2650					i > 1 && elementMatcher( matchers ),
2651					i > 1 && toSelector(
2652
2653					// If the preceding token was a descendant combinator, insert an implicit any-element `*`
2654					tokens
2655						.slice( 0, i - 1 )
2656						.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2657					).replace( rtrim, "$1" ),
2658					matcher,
2659					i < j && matcherFromTokens( tokens.slice( i, j ) ),
2660					j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2661					j < len && toSelector( tokens )
2662				);
2663			}
2664			matchers.push( matcher );
2665		}
2666	}
2667
2668	return elementMatcher( matchers );
2669}
2670
2671function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2672	var bySet = setMatchers.length > 0,
2673		byElement = elementMatchers.length > 0,
2674		superMatcher = function( seed, context, xml, results, outermost ) {
2675			var elem, j, matcher,
2676				matchedCount = 0,
2677				i = "0",
2678				unmatched = seed && [],
2679				setMatched = [],
2680				contextBackup = outermostContext,
2681
2682				// We must always have either seed elements or outermost context
2683				elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
2684
2685				// Use integer dirruns iff this is the outermost matcher
2686				dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2687				len = elems.length;
2688
2689			if ( outermost ) {
2690
2691				// Support: IE 11+, Edge 17 - 18+
2692				// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2693				// two documents; shallow comparisons work.
2694				// eslint-disable-next-line eqeqeq
2695				outermostContext = context == document || context || outermost;
2696			}
2697
2698			// Add elements passing elementMatchers directly to results
2699			// Support: IE<9, Safari
2700			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2701			for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2702				if ( byElement && elem ) {
2703					j = 0;
2704
2705					// Support: IE 11+, Edge 17 - 18+
2706					// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2707					// two documents; shallow comparisons work.
2708					// eslint-disable-next-line eqeqeq
2709					if ( !context && elem.ownerDocument != document ) {
2710						setDocument( elem );
2711						xml = !documentIsHTML;
2712					}
2713					while ( ( matcher = elementMatchers[ j++ ] ) ) {
2714						if ( matcher( elem, context || document, xml ) ) {
2715							results.push( elem );
2716							break;
2717						}
2718					}
2719					if ( outermost ) {
2720						dirruns = dirrunsUnique;
2721					}
2722				}
2723
2724				// Track unmatched elements for set filters
2725				if ( bySet ) {
2726
2727					// They will have gone through all possible matchers
2728					if ( ( elem = !matcher && elem ) ) {
2729						matchedCount--;
2730					}
2731
2732					// Lengthen the array for every element, matched or not
2733					if ( seed ) {
2734						unmatched.push( elem );
2735					}
2736				}
2737			}
2738
2739			// `i` is now the count of elements visited above, and adding it to `matchedCount`
2740			// makes the latter nonnegative.
2741			matchedCount += i;
2742
2743			// Apply set filters to unmatched elements
2744			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2745			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2746			// no element matchers and no seed.
2747			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2748			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
2749			// numerically zero.
2750			if ( bySet && i !== matchedCount ) {
2751				j = 0;
2752				while ( ( matcher = setMatchers[ j++ ] ) ) {
2753					matcher( unmatched, setMatched, context, xml );
2754				}
2755
2756				if ( seed ) {
2757
2758					// Reintegrate element matches to eliminate the need for sorting
2759					if ( matchedCount > 0 ) {
2760						while ( i-- ) {
2761							if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2762								setMatched[ i ] = pop.call( results );
2763							}
2764						}
2765					}
2766
2767					// Discard index placeholder values to get only actual matches
2768					setMatched = condense( setMatched );
2769				}
2770
2771				// Add matches to results
2772				push.apply( results, setMatched );
2773
2774				// Seedless set matches succeeding multiple successful matchers stipulate sorting
2775				if ( outermost && !seed && setMatched.length > 0 &&
2776					( matchedCount + setMatchers.length ) > 1 ) {
2777
2778					Sizzle.uniqueSort( results );
2779				}
2780			}
2781
2782			// Override manipulation of globals by nested matchers
2783			if ( outermost ) {
2784				dirruns = dirrunsUnique;
2785				outermostContext = contextBackup;
2786			}
2787
2788			return unmatched;
2789		};
2790
2791	return bySet ?
2792		markFunction( superMatcher ) :
2793		superMatcher;
2794}
2795
2796compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2797	var i,
2798		setMatchers = [],
2799		elementMatchers = [],
2800		cached = compilerCache[ selector + " " ];
2801
2802	if ( !cached ) {
2803
2804		// Generate a function of recursive functions that can be used to check each element
2805		if ( !match ) {
2806			match = tokenize( selector );
2807		}
2808		i = match.length;
2809		while ( i-- ) {
2810			cached = matcherFromTokens( match[ i ] );
2811			if ( cached[ expando ] ) {
2812				setMatchers.push( cached );
2813			} else {
2814				elementMatchers.push( cached );
2815			}
2816		}
2817
2818		// Cache the compiled function
2819		cached = compilerCache(
2820			selector,
2821			matcherFromGroupMatchers( elementMatchers, setMatchers )
2822		);
2823
2824		// Save selector and tokenization
2825		cached.selector = selector;
2826	}
2827	return cached;
2828};
2829
2830/**
2831 * A low-level selection function that works with Sizzle's compiled
2832 *  selector functions
2833 * @param {String|Function} selector A selector or a pre-compiled
2834 *  selector function built with Sizzle.compile
2835 * @param {Element} context
2836 * @param {Array} [results]
2837 * @param {Array} [seed] A set of elements to match against
2838 */
2839select = Sizzle.select = function( selector, context, results, seed ) {
2840	var i, tokens, token, type, find,
2841		compiled = typeof selector === "function" && selector,
2842		match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2843
2844	results = results || [];
2845
2846	// Try to minimize operations if there is only one selector in the list and no seed
2847	// (the latter of which guarantees us context)
2848	if ( match.length === 1 ) {
2849
2850		// Reduce context if the leading compound selector is an ID
2851		tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2852		if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2853			context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2854
2855			context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
2856				.replace( runescape, funescape ), context ) || [] )[ 0 ];
2857			if ( !context ) {
2858				return results;
2859
2860			// Precompiled matchers will still verify ancestry, so step up a level
2861			} else if ( compiled ) {
2862				context = context.parentNode;
2863			}
2864
2865			selector = selector.slice( tokens.shift().value.length );
2866		}
2867
2868		// Fetch a seed set for right-to-left matching
2869		i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
2870		while ( i-- ) {
2871			token = tokens[ i ];
2872
2873			// Abort if we hit a combinator
2874			if ( Expr.relative[ ( type = token.type ) ] ) {
2875				break;
2876			}
2877			if ( ( find = Expr.find[ type ] ) ) {
2878
2879				// Search, expanding context for leading sibling combinators
2880				if ( ( seed = find(
2881					token.matches[ 0 ].replace( runescape, funescape ),
2882					rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
2883						context
2884				) ) ) {
2885
2886					// If seed is empty or no tokens remain, we can return early
2887					tokens.splice( i, 1 );
2888					selector = seed.length && toSelector( tokens );
2889					if ( !selector ) {
2890						push.apply( results, seed );
2891						return results;
2892					}
2893
2894					break;
2895				}
2896			}
2897		}
2898	}
2899
2900	// Compile and execute a filtering function if one is not provided
2901	// Provide `match` to avoid retokenization if we modified the selector above
2902	( compiled || compile( selector, match ) )(
2903		seed,
2904		context,
2905		!documentIsHTML,
2906		results,
2907		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2908	);
2909	return results;
2910};
2911
2912// One-time assignments
2913
2914// Sort stability
2915support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2916
2917// Support: Chrome 14-35+
2918// Always assume duplicates if they aren't passed to the comparison function
2919support.detectDuplicates = !!hasDuplicate;
2920
2921// Initialize against the default document
2922setDocument();
2923
2924// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2925// Detached nodes confoundingly follow *each other*
2926support.sortDetached = assert( function( el ) {
2927
2928	// Should return 1, but returns 4 (following)
2929	return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2930} );
2931
2932// Support: IE<8
2933// Prevent attribute/property "interpolation"
2934// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2935if ( !assert( function( el ) {
2936	el.innerHTML = "<a href='#'></a>";
2937	return el.firstChild.getAttribute( "href" ) === "#";
2938} ) ) {
2939	addHandle( "type|href|height|width", function( elem, name, isXML ) {
2940		if ( !isXML ) {
2941			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2942		}
2943	} );
2944}
2945
2946// Support: IE<9
2947// Use defaultValue in place of getAttribute("value")
2948if ( !support.attributes || !assert( function( el ) {
2949	el.innerHTML = "<input/>";
2950	el.firstChild.setAttribute( "value", "" );
2951	return el.firstChild.getAttribute( "value" ) === "";
2952} ) ) {
2953	addHandle( "value", function( elem, _name, isXML ) {
2954		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2955			return elem.defaultValue;
2956		}
2957	} );
2958}
2959
2960// Support: IE<9
2961// Use getAttributeNode to fetch booleans when getAttribute lies
2962if ( !assert( function( el ) {
2963	return el.getAttribute( "disabled" ) == null;
2964} ) ) {
2965	addHandle( booleans, function( elem, name, isXML ) {
2966		var val;
2967		if ( !isXML ) {
2968			return elem[ name ] === true ? name.toLowerCase() :
2969				( val = elem.getAttributeNode( name ) ) && val.specified ?
2970					val.value :
2971					null;
2972		}
2973	} );
2974}
2975
2976return Sizzle;
2977
2978} )( window );
2979
2980
2981
2982jQuery.find = Sizzle;
2983jQuery.expr = Sizzle.selectors;
2984
2985// Deprecated
2986jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2987jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2988jQuery.text = Sizzle.getText;
2989jQuery.isXMLDoc = Sizzle.isXML;
2990jQuery.contains = Sizzle.contains;
2991jQuery.escapeSelector = Sizzle.escape;
2992
2993
2994
2995
2996var dir = function( elem, dir, until ) {
2997	var matched = [],
2998		truncate = until !== undefined;
2999
3000	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
3001		if ( elem.nodeType === 1 ) {
3002			if ( truncate && jQuery( elem ).is( until ) ) {
3003				break;
3004			}
3005			matched.push( elem );
3006		}
3007	}
3008	return matched;
3009};
3010
3011
3012var siblings = function( n, elem ) {
3013	var matched = [];
3014
3015	for ( ; n; n = n.nextSibling ) {
3016		if ( n.nodeType === 1 && n !== elem ) {
3017			matched.push( n );
3018		}
3019	}
3020
3021	return matched;
3022};
3023
3024
3025var rneedsContext = jQuery.expr.match.needsContext;
3026
3027
3028
3029function nodeName( elem, name ) {
3030
3031	return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
3032
3033}
3034var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
3035
3036
3037
3038// Implement the identical functionality for filter and not
3039function winnow( elements, qualifier, not ) {
3040	if ( isFunction( qualifier ) ) {
3041		return jQuery.grep( elements, function( elem, i ) {
3042			return !!qualifier.call( elem, i, elem ) !== not;
3043		} );
3044	}
3045
3046	// Single element
3047	if ( qualifier.nodeType ) {
3048		return jQuery.grep( elements, function( elem ) {
3049			return ( elem === qualifier ) !== not;
3050		} );
3051	}
3052
3053	// Arraylike of elements (jQuery, arguments, Array)
3054	if ( typeof qualifier !== "string" ) {
3055		return jQuery.grep( elements, function( elem ) {
3056			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
3057		} );
3058	}
3059
3060	// Filtered directly for both simple and complex selectors
3061	return jQuery.filter( qualifier, elements, not );
3062}
3063
3064jQuery.filter = function( expr, elems, not ) {
3065	var elem = elems[ 0 ];
3066
3067	if ( not ) {
3068		expr = ":not(" + expr + ")";
3069	}
3070
3071	if ( elems.length === 1 && elem.nodeType === 1 ) {
3072		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
3073	}
3074
3075	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
3076		return elem.nodeType === 1;
3077	} ) );
3078};
3079
3080jQuery.fn.extend( {
3081	find: function( selector ) {
3082		var i, ret,
3083			len = this.length,
3084			self = this;
3085
3086		if ( typeof selector !== "string" ) {
3087			return this.pushStack( jQuery( selector ).filter( function() {
3088				for ( i = 0; i < len; i++ ) {
3089					if ( jQuery.contains( self[ i ], this ) ) {
3090						return true;
3091					}
3092				}
3093			} ) );
3094		}
3095
3096		ret = this.pushStack( [] );
3097
3098		for ( i = 0; i < len; i++ ) {
3099			jQuery.find( selector, self[ i ], ret );
3100		}
3101
3102		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
3103	},
3104	filter: function( selector ) {
3105		return this.pushStack( winnow( this, selector || [], false ) );
3106	},
3107	not: function( selector ) {
3108		return this.pushStack( winnow( this, selector || [], true ) );
3109	},
3110	is: function( selector ) {
3111		return !!winnow(
3112			this,
3113
3114			// If this is a positional/relative selector, check membership in the returned set
3115			// so $("p:first").is("p:last") won't return true for a doc with two "p".
3116			typeof selector === "string" && rneedsContext.test( selector ) ?
3117				jQuery( selector ) :
3118				selector || [],
3119			false
3120		).length;
3121	}
3122} );
3123
3124
3125// Initialize a jQuery object
3126
3127
3128// A central reference to the root jQuery(document)
3129var rootjQuery,
3130
3131	// A simple way to check for HTML strings
3132	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
3133	// Strict HTML recognition (#11290: must start with <)
3134	// Shortcut simple #id case for speed
3135	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
3136
3137	init = jQuery.fn.init = function( selector, context, root ) {
3138		var match, elem;
3139
3140		// HANDLE: $(""), $(null), $(undefined), $(false)
3141		if ( !selector ) {
3142			return this;
3143		}
3144
3145		// Method init() accepts an alternate rootjQuery
3146		// so migrate can support jQuery.sub (gh-2101)
3147		root = root || rootjQuery;
3148
3149		// Handle HTML strings
3150		if ( typeof selector === "string" ) {
3151			if ( selector[ 0 ] === "<" &&
3152				selector[ selector.length - 1 ] === ">" &&
3153				selector.length >= 3 ) {
3154
3155				// Assume that strings that start and end with <> are HTML and skip the regex check
3156				match = [ null, selector, null ];
3157
3158			} else {
3159				match = rquickExpr.exec( selector );
3160			}
3161
3162			// Match html or make sure no context is specified for #id
3163			if ( match && ( match[ 1 ] || !context ) ) {
3164
3165				// HANDLE: $(html) -> $(array)
3166				if ( match[ 1 ] ) {
3167					context = context instanceof jQuery ? context[ 0 ] : context;
3168
3169					// Option to run scripts is true for back-compat
3170					// Intentionally let the error be thrown if parseHTML is not present
3171					jQuery.merge( this, jQuery.parseHTML(
3172						match[ 1 ],
3173						context && context.nodeType ? context.ownerDocument || context : document,
3174						true
3175					) );
3176
3177					// HANDLE: $(html, props)
3178					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3179						for ( match in context ) {
3180
3181							// Properties of context are called as methods if possible
3182							if ( isFunction( this[ match ] ) ) {
3183								this[ match ]( context[ match ] );
3184
3185							// ...and otherwise set as attributes
3186							} else {
3187								this.attr( match, context[ match ] );
3188							}
3189						}
3190					}
3191
3192					return this;
3193
3194				// HANDLE: $(#id)
3195				} else {
3196					elem = document.getElementById( match[ 2 ] );
3197
3198					if ( elem ) {
3199
3200						// Inject the element directly into the jQuery object
3201						this[ 0 ] = elem;
3202						this.length = 1;
3203					}
3204					return this;
3205				}
3206
3207			// HANDLE: $(expr, $(...))
3208			} else if ( !context || context.jquery ) {
3209				return ( context || root ).find( selector );
3210
3211			// HANDLE: $(expr, context)
3212			// (which is just equivalent to: $(context).find(expr)
3213			} else {
3214				return this.constructor( context ).find( selector );
3215			}
3216
3217		// HANDLE: $(DOMElement)
3218		} else if ( selector.nodeType ) {
3219			this[ 0 ] = selector;
3220			this.length = 1;
3221			return this;
3222
3223		// HANDLE: $(function)
3224		// Shortcut for document ready
3225		} else if ( isFunction( selector ) ) {
3226			return root.ready !== undefined ?
3227				root.ready( selector ) :
3228
3229				// Execute immediately if ready is not present
3230				selector( jQuery );
3231		}
3232
3233		return jQuery.makeArray( selector, this );
3234	};
3235
3236// Give the init function the jQuery prototype for later instantiation
3237init.prototype = jQuery.fn;
3238
3239// Initialize central reference
3240rootjQuery = jQuery( document );
3241
3242
3243var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3244
3245	// Methods guaranteed to produce a unique set when starting from a unique set
3246	guaranteedUnique = {
3247		children: true,
3248		contents: true,
3249		next: true,
3250		prev: true
3251	};
3252
3253jQuery.fn.extend( {
3254	has: function( target ) {
3255		var targets = jQuery( target, this ),
3256			l = targets.length;
3257
3258		return this.filter( function() {
3259			var i = 0;
3260			for ( ; i < l; i++ ) {
3261				if ( jQuery.contains( this, targets[ i ] ) ) {
3262					return true;
3263				}
3264			}
3265		} );
3266	},
3267
3268	closest: function( selectors, context ) {
3269		var cur,
3270			i = 0,
3271			l = this.length,
3272			matched = [],
3273			targets = typeof selectors !== "string" && jQuery( selectors );
3274
3275		// Positional selectors never match, since there's no _selection_ context
3276		if ( !rneedsContext.test( selectors ) ) {
3277			for ( ; i < l; i++ ) {
3278				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3279
3280					// Always skip document fragments
3281					if ( cur.nodeType < 11 && ( targets ?
3282						targets.index( cur ) > -1 :
3283
3284						// Don't pass non-elements to Sizzle
3285						cur.nodeType === 1 &&
3286							jQuery.find.matchesSelector( cur, selectors ) ) ) {
3287
3288						matched.push( cur );
3289						break;
3290					}
3291				}
3292			}
3293		}
3294
3295		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3296	},
3297
3298	// Determine the position of an element within the set
3299	index: function( elem ) {
3300
3301		// No argument, return index in parent
3302		if ( !elem ) {
3303			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3304		}
3305
3306		// Index in selector
3307		if ( typeof elem === "string" ) {
3308			return indexOf.call( jQuery( elem ), this[ 0 ] );
3309		}
3310
3311		// Locate the position of the desired element
3312		return indexOf.call( this,
3313
3314			// If it receives a jQuery object, the first element is used
3315			elem.jquery ? elem[ 0 ] : elem
3316		);
3317	},
3318
3319	add: function( selector, context ) {
3320		return this.pushStack(
3321			jQuery.uniqueSort(
3322				jQuery.merge( this.get(), jQuery( selector, context ) )
3323			)
3324		);
3325	},
3326
3327	addBack: function( selector ) {
3328		return this.add( selector == null ?
3329			this.prevObject : this.prevObject.filter( selector )
3330		);
3331	}
3332} );
3333
3334function sibling( cur, dir ) {
3335	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3336	return cur;
3337}
3338
3339jQuery.each( {
3340	parent: function( elem ) {
3341		var parent = elem.parentNode;
3342		return parent && parent.nodeType !== 11 ? parent : null;
3343	},
3344	parents: function( elem ) {
3345		return dir( elem, "parentNode" );
3346	},
3347	parentsUntil: function( elem, _i, until ) {
3348		return dir( elem, "parentNode", until );
3349	},
3350	next: function( elem ) {
3351		return sibling( elem, "nextSibling" );
3352	},
3353	prev: function( elem ) {
3354		return sibling( elem, "previousSibling" );
3355	},
3356	nextAll: function( elem ) {
3357		return dir( elem, "nextSibling" );
3358	},
3359	prevAll: function( elem ) {
3360		return dir( elem, "previousSibling" );
3361	},
3362	nextUntil: function( elem, _i, until ) {
3363		return dir( elem, "nextSibling", until );
3364	},
3365	prevUntil: function( elem, _i, until ) {
3366		return dir( elem, "previousSibling", until );
3367	},
3368	siblings: function( elem ) {
3369		return siblings( ( elem.parentNode || {} ).firstChild, elem );
3370	},
3371	children: function( elem ) {
3372		return siblings( elem.firstChild );
3373	},
3374	contents: function( elem ) {
3375		if ( elem.contentDocument != null &&
3376
3377			// Support: IE 11+
3378			// <object> elements with no `data` attribute has an object
3379			// `contentDocument` with a `null` prototype.
3380			getProto( elem.contentDocument ) ) {
3381
3382			return elem.contentDocument;
3383		}
3384
3385		// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3386		// Treat the template element as a regular one in browsers that
3387		// don't support it.
3388		if ( nodeName( elem, "template" ) ) {
3389			elem = elem.content || elem;
3390		}
3391
3392		return jQuery.merge( [], elem.childNodes );
3393	}
3394}, function( name, fn ) {
3395	jQuery.fn[ name ] = function( until, selector ) {
3396		var matched = jQuery.map( this, fn, until );
3397
3398		if ( name.slice( -5 ) !== "Until" ) {
3399			selector = until;
3400		}
3401
3402		if ( selector && typeof selector === "string" ) {
3403			matched = jQuery.filter( selector, matched );
3404		}
3405
3406		if ( this.length > 1 ) {
3407
3408			// Remove duplicates
3409			if ( !guaranteedUnique[ name ] ) {
3410				jQuery.uniqueSort( matched );
3411			}
3412
3413			// Reverse order for parents* and prev-derivatives
3414			if ( rparentsprev.test( name ) ) {
3415				matched.reverse();
3416			}
3417		}
3418
3419		return this.pushStack( matched );
3420	};
3421} );
3422var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3423
3424
3425
3426// Convert String-formatted options into Object-formatted ones
3427function createOptions( options ) {
3428	var object = {};
3429	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3430		object[ flag ] = true;
3431	} );
3432	return object;
3433}
3434
3435/*
3436 * Create a callback list using the following parameters:
3437 *
3438 *	options: an optional list of space-separated options that will change how
3439 *			the callback list behaves or a more traditional option object
3440 *
3441 * By default a callback list will act like an event callback list and can be
3442 * "fired" multiple times.
3443 *
3444 * Possible options:
3445 *
3446 *	once:			will ensure the callback list can only be fired once (like a Deferred)
3447 *
3448 *	memory:			will keep track of previous values and will call any callback added
3449 *					after the list has been fired right away with the latest "memorized"
3450 *					values (like a Deferred)
3451 *
3452 *	unique:			will ensure a callback can only be added once (no duplicate in the list)
3453 *
3454 *	stopOnFalse:	interrupt callings when a callback returns false
3455 *
3456 */
3457jQuery.Callbacks = function( options ) {
3458
3459	// Convert options from String-formatted to Object-formatted if needed
3460	// (we check in cache first)
3461	options = typeof options === "string" ?
3462		createOptions( options ) :
3463		jQuery.extend( {}, options );
3464
3465	var // Flag to know if list is currently firing
3466		firing,
3467
3468		// Last fire value for non-forgettable lists
3469		memory,
3470
3471		// Flag to know if list was already fired
3472		fired,
3473
3474		// Flag to prevent firing
3475		locked,
3476
3477		// Actual callback list
3478		list = [],
3479
3480		// Queue of execution data for repeatable lists
3481		queue = [],
3482
3483		// Index of currently firing callback (modified by add/remove as needed)
3484		firingIndex = -1,
3485
3486		// Fire callbacks
3487		fire = function() {
3488
3489			// Enforce single-firing
3490			locked = locked || options.once;
3491
3492			// Execute callbacks for all pending executions,
3493			// respecting firingIndex overrides and runtime changes
3494			fired = firing = true;
3495			for ( ; queue.length; firingIndex = -1 ) {
3496				memory = queue.shift();
3497				while ( ++firingIndex < list.length ) {
3498
3499					// Run callback and check for early termination
3500					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3501						options.stopOnFalse ) {
3502
3503						// Jump to end and forget the data so .add doesn't re-fire
3504						firingIndex = list.length;
3505						memory = false;
3506					}
3507				}
3508			}
3509
3510			// Forget the data if we're done with it
3511			if ( !options.memory ) {
3512				memory = false;
3513			}
3514
3515			firing = false;
3516
3517			// Clean up if we're done firing for good
3518			if ( locked ) {
3519
3520				// Keep an empty list if we have data for future add calls
3521				if ( memory ) {
3522					list = [];
3523
3524				// Otherwise, this object is spent
3525				} else {
3526					list = "";
3527				}
3528			}
3529		},
3530
3531		// Actual Callbacks object
3532		self = {
3533
3534			// Add a callback or a collection of callbacks to the list
3535			add: function() {
3536				if ( list ) {
3537
3538					// If we have memory from a past run, we should fire after adding
3539					if ( memory && !firing ) {
3540						firingIndex = list.length - 1;
3541						queue.push( memory );
3542					}
3543
3544					( function add( args ) {
3545						jQuery.each( args, function( _, arg ) {
3546							if ( isFunction( arg ) ) {
3547								if ( !options.unique || !self.has( arg ) ) {
3548									list.push( arg );
3549								}
3550							} else if ( arg && arg.length && toType( arg ) !== "string" ) {
3551
3552								// Inspect recursively
3553								add( arg );
3554							}
3555						} );
3556					} )( arguments );
3557
3558					if ( memory && !firing ) {
3559						fire();
3560					}
3561				}
3562				return this;
3563			},
3564
3565			// Remove a callback from the list
3566			remove: function() {
3567				jQuery.each( arguments, function( _, arg ) {
3568					var index;
3569					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3570						list.splice( index, 1 );
3571
3572						// Handle firing indexes
3573						if ( index <= firingIndex ) {
3574							firingIndex--;
3575						}
3576					}
3577				} );
3578				return this;
3579			},
3580
3581			// Check if a given callback is in the list.
3582			// If no argument is given, return whether or not list has callbacks attached.
3583			has: function( fn ) {
3584				return fn ?
3585					jQuery.inArray( fn, list ) > -1 :
3586					list.length > 0;
3587			},
3588
3589			// Remove all callbacks from the list
3590			empty: function() {
3591				if ( list ) {
3592					list = [];
3593				}
3594				return this;
3595			},
3596
3597			// Disable .fire and .add
3598			// Abort any current/pending executions
3599			// Clear all callbacks and values
3600			disable: function() {
3601				locked = queue = [];
3602				list = memory = "";
3603				return this;
3604			},
3605			disabled: function() {
3606				return !list;
3607			},
3608
3609			// Disable .fire
3610			// Also disable .add unless we have memory (since it would have no effect)
3611			// Abort any pending executions
3612			lock: function() {
3613				locked = queue = [];
3614				if ( !memory && !firing ) {
3615					list = memory = "";
3616				}
3617				return this;
3618			},
3619			locked: function() {
3620				return !!locked;
3621			},
3622
3623			// Call all callbacks with the given context and arguments
3624			fireWith: function( context, args ) {
3625				if ( !locked ) {
3626					args = args || [];
3627					args = [ context, args.slice ? args.slice() : args ];
3628					queue.push( args );
3629					if ( !firing ) {
3630						fire();
3631					}
3632				}
3633				return this;
3634			},
3635
3636			// Call all the callbacks with the given arguments
3637			fire: function() {
3638				self.fireWith( this, arguments );
3639				return this;
3640			},
3641
3642			// To know if the callbacks have already been called at least once
3643			fired: function() {
3644				return !!fired;
3645			}
3646		};
3647
3648	return self;
3649};
3650
3651
3652function Identity( v ) {
3653	return v;
3654}
3655function Thrower( ex ) {
3656	throw ex;
3657}
3658
3659function adoptValue( value, resolve, reject, noValue ) {
3660	var method;
3661
3662	try {
3663
3664		// Check for promise aspect first to privilege synchronous behavior
3665		if ( value && isFunction( ( method = value.promise ) ) ) {
3666			method.call( value ).done( resolve ).fail( reject );
3667
3668		// Other thenables
3669		} else if ( value && isFunction( ( method = value.then ) ) ) {
3670			method.call( value, resolve, reject );
3671
3672		// Other non-thenables
3673		} else {
3674
3675			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3676			// * false: [ value ].slice( 0 ) => resolve( value )
3677			// * true: [ value ].slice( 1 ) => resolve()
3678			resolve.apply( undefined, [ value ].slice( noValue ) );
3679		}
3680
3681	// For Promises/A+, convert exceptions into rejections
3682	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3683	// Deferred#then to conditionally suppress rejection.
3684	} catch ( value ) {
3685
3686		// Support: Android 4.0 only
3687		// Strict mode functions invoked without .call/.apply get global-object context
3688		reject.apply( undefined, [ value ] );
3689	}
3690}
3691
3692jQuery.extend( {
3693
3694	Deferred: function( func ) {
3695		var tuples = [
3696
3697				// action, add listener, callbacks,
3698				// ... .then handlers, argument index, [final state]
3699				[ "notify", "progress", jQuery.Callbacks( "memory" ),
3700					jQuery.Callbacks( "memory" ), 2 ],
3701				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
3702					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3703				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
3704					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3705			],
3706			state = "pending",
3707			promise = {
3708				state: function() {
3709					return state;
3710				},
3711				always: function() {
3712					deferred.done( arguments ).fail( arguments );
3713					return this;
3714				},
3715				"catch": function( fn ) {
3716					return promise.then( null, fn );
3717				},
3718
3719				// Keep pipe for back-compat
3720				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3721					var fns = arguments;
3722
3723					return jQuery.Deferred( function( newDefer ) {
3724						jQuery.each( tuples, function( _i, tuple ) {
3725
3726							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
3727							var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3728
3729							// deferred.progress(function() { bind to newDefer or newDefer.notify })
3730							// deferred.done(function() { bind to newDefer or newDefer.resolve })
3731							// deferred.fail(function() { bind to newDefer or newDefer.reject })
3732							deferred[ tuple[ 1 ] ]( function() {
3733								var returned = fn && fn.apply( this, arguments );
3734								if ( returned && isFunction( returned.promise ) ) {
3735									returned.promise()
3736										.progress( newDefer.notify )
3737										.done( newDefer.resolve )
3738										.fail( newDefer.reject );
3739								} else {
3740									newDefer[ tuple[ 0 ] + "With" ](
3741										this,
3742										fn ? [ returned ] : arguments
3743									);
3744								}
3745							} );
3746						} );
3747						fns = null;
3748					} ).promise();
3749				},
3750				then: function( onFulfilled, onRejected, onProgress ) {
3751					var maxDepth = 0;
3752					function resolve( depth, deferred, handler, special ) {
3753						return function() {
3754							var that = this,
3755								args = arguments,
3756								mightThrow = function() {
3757									var returned, then;
3758
3759									// Support: Promises/A+ section 2.3.3.3.3
3760									// https://promisesaplus.com/#point-59
3761									// Ignore double-resolution attempts
3762									if ( depth < maxDepth ) {
3763										return;
3764									}
3765
3766									returned = handler.apply( that, args );
3767
3768									// Support: Promises/A+ section 2.3.1
3769									// https://promisesaplus.com/#point-48
3770									if ( returned === deferred.promise() ) {
3771										throw new TypeError( "Thenable self-resolution" );
3772									}
3773
3774									// Support: Promises/A+ sections 2.3.3.1, 3.5
3775									// https://promisesaplus.com/#point-54
3776									// https://promisesaplus.com/#point-75
3777									// Retrieve `then` only once
3778									then = returned &&
3779
3780										// Support: Promises/A+ section 2.3.4
3781										// https://promisesaplus.com/#point-64
3782										// Only check objects and functions for thenability
3783										( typeof returned === "object" ||
3784											typeof returned === "function" ) &&
3785										returned.then;
3786
3787									// Handle a returned thenable
3788									if ( isFunction( then ) ) {
3789
3790										// Special processors (notify) just wait for resolution
3791										if ( special ) {
3792											then.call(
3793												returned,
3794												resolve( maxDepth, deferred, Identity, special ),
3795												resolve( maxDepth, deferred, Thrower, special )
3796											);
3797
3798										// Normal processors (resolve) also hook into progress
3799										} else {
3800
3801											// ...and disregard older resolution values
3802											maxDepth++;
3803
3804											then.call(
3805												returned,
3806												resolve( maxDepth, deferred, Identity, special ),
3807												resolve( maxDepth, deferred, Thrower, special ),
3808												resolve( maxDepth, deferred, Identity,
3809													deferred.notifyWith )
3810											);
3811										}
3812
3813									// Handle all other returned values
3814									} else {
3815
3816										// Only substitute handlers pass on context
3817										// and multiple values (non-spec behavior)
3818										if ( handler !== Identity ) {
3819											that = undefined;
3820											args = [ returned ];
3821										}
3822
3823										// Process the value(s)
3824										// Default process is resolve
3825										( special || deferred.resolveWith )( that, args );
3826									}
3827								},
3828
3829								// Only normal processors (resolve) catch and reject exceptions
3830								process = special ?
3831									mightThrow :
3832									function() {
3833										try {
3834											mightThrow();
3835										} catch ( e ) {
3836
3837											if ( jQuery.Deferred.exceptionHook ) {
3838												jQuery.Deferred.exceptionHook( e,
3839													process.stackTrace );
3840											}
3841
3842											// Support: Promises/A+ section 2.3.3.3.4.1
3843											// https://promisesaplus.com/#point-61
3844											// Ignore post-resolution exceptions
3845											if ( depth + 1 >= maxDepth ) {
3846
3847												// Only substitute handlers pass on context
3848												// and multiple values (non-spec behavior)
3849												if ( handler !== Thrower ) {
3850													that = undefined;
3851													args = [ e ];
3852												}
3853
3854												deferred.rejectWith( that, args );
3855											}
3856										}
3857									};
3858
3859							// Support: Promises/A+ section 2.3.3.3.1
3860							// https://promisesaplus.com/#point-57
3861							// Re-resolve promises immediately to dodge false rejection from
3862							// subsequent errors
3863							if ( depth ) {
3864								process();
3865							} else {
3866
3867								// Call an optional hook to record the stack, in case of exception
3868								// since it's otherwise lost when execution goes async
3869								if ( jQuery.Deferred.getStackHook ) {
3870									process.stackTrace = jQuery.Deferred.getStackHook();
3871								}
3872								window.setTimeout( process );
3873							}
3874						};
3875					}
3876
3877					return jQuery.Deferred( function( newDefer ) {
3878
3879						// progress_handlers.add( ... )
3880						tuples[ 0 ][ 3 ].add(
3881							resolve(
3882								0,
3883								newDefer,
3884								isFunction( onProgress ) ?
3885									onProgress :
3886									Identity,
3887								newDefer.notifyWith
3888							)
3889						);
3890
3891						// fulfilled_handlers.add( ... )
3892						tuples[ 1 ][ 3 ].add(
3893							resolve(
3894								0,
3895								newDefer,
3896								isFunction( onFulfilled ) ?
3897									onFulfilled :
3898									Identity
3899							)
3900						);
3901
3902						// rejected_handlers.add( ... )
3903						tuples[ 2 ][ 3 ].add(
3904							resolve(
3905								0,
3906								newDefer,
3907								isFunction( onRejected ) ?
3908									onRejected :
3909									Thrower
3910							)
3911						);
3912					} ).promise();
3913				},
3914
3915				// Get a promise for this deferred
3916				// If obj is provided, the promise aspect is added to the object
3917				promise: function( obj ) {
3918					return obj != null ? jQuery.extend( obj, promise ) : promise;
3919				}
3920			},
3921			deferred = {};
3922
3923		// Add list-specific methods
3924		jQuery.each( tuples, function( i, tuple ) {
3925			var list = tuple[ 2 ],
3926				stateString = tuple[ 5 ];
3927
3928			// promise.progress = list.add
3929			// promise.done = list.add
3930			// promise.fail = list.add
3931			promise[ tuple[ 1 ] ] = list.add;
3932
3933			// Handle state
3934			if ( stateString ) {
3935				list.add(
3936					function() {
3937
3938						// state = "resolved" (i.e., fulfilled)
3939						// state = "rejected"
3940						state = stateString;
3941					},
3942
3943					// rejected_callbacks.disable
3944					// fulfilled_callbacks.disable
3945					tuples[ 3 - i ][ 2 ].disable,
3946
3947					// rejected_handlers.disable
3948					// fulfilled_handlers.disable
3949					tuples[ 3 - i ][ 3 ].disable,
3950
3951					// progress_callbacks.lock
3952					tuples[ 0 ][ 2 ].lock,
3953
3954					// progress_handlers.lock
3955					tuples[ 0 ][ 3 ].lock
3956				);
3957			}
3958
3959			// progress_handlers.fire
3960			// fulfilled_handlers.fire
3961			// rejected_handlers.fire
3962			list.add( tuple[ 3 ].fire );
3963
3964			// deferred.notify = function() { deferred.notifyWith(...) }
3965			// deferred.resolve = function() { deferred.resolveWith(...) }
3966			// deferred.reject = function() { deferred.rejectWith(...) }
3967			deferred[ tuple[ 0 ] ] = function() {
3968				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3969				return this;
3970			};
3971
3972			// deferred.notifyWith = list.fireWith
3973			// deferred.resolveWith = list.fireWith
3974			// deferred.rejectWith = list.fireWith
3975			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3976		} );
3977
3978		// Make the deferred a promise
3979		promise.promise( deferred );
3980
3981		// Call given func if any
3982		if ( func ) {
3983			func.call( deferred, deferred );
3984		}
3985
3986		// All done!
3987		return deferred;
3988	},
3989
3990	// Deferred helper
3991	when: function( singleValue ) {
3992		var
3993
3994			// count of uncompleted subordinates
3995			remaining = arguments.length,
3996
3997			// count of unprocessed arguments
3998			i = remaining,
3999
4000			// subordinate fulfillment data
4001			resolveContexts = Array( i ),
4002			resolveValues = slice.call( arguments ),
4003
4004			// the primary Deferred
4005			primary = jQuery.Deferred(),
4006
4007			// subordinate callback factory
4008			updateFunc = function( i ) {
4009				return function( value ) {
4010					resolveContexts[ i ] = this;
4011					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
4012					if ( !( --remaining ) ) {
4013						primary.resolveWith( resolveContexts, resolveValues );
4014					}
4015				};
4016			};
4017
4018		// Single- and empty arguments are adopted like Promise.resolve
4019		if ( remaining <= 1 ) {
4020			adoptValue( singleValue, primary.done( updateFunc( i ) ).resolve, primary.reject,
4021				!remaining );
4022
4023			// Use .then() to unwrap secondary thenables (cf. gh-3000)
4024			if ( primary.state() === "pending" ||
4025				isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
4026
4027				return primary.then();
4028			}
4029		}
4030
4031		// Multiple arguments are aggregated like Promise.all array elements
4032		while ( i-- ) {
4033			adoptValue( resolveValues[ i ], updateFunc( i ), primary.reject );
4034		}
4035
4036		return primary.promise();
4037	}
4038} );
4039
4040
4041// These usually indicate a programmer mistake during development,
4042// warn about them ASAP rather than swallowing them by default.
4043var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
4044
4045jQuery.Deferred.exceptionHook = function( error, stack ) {
4046
4047	// Support: IE 8 - 9 only
4048	// Console exists when dev tools are open, which can happen at any time
4049	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
4050		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
4051	}
4052};
4053
4054
4055
4056
4057jQuery.readyException = function( error ) {
4058	window.setTimeout( function() {
4059		throw error;
4060	} );
4061};
4062
4063
4064
4065
4066// The deferred used on DOM ready
4067var readyList = jQuery.Deferred();
4068
4069jQuery.fn.ready = function( fn ) {
4070
4071	readyList
4072		.then( fn )
4073
4074		// Wrap jQuery.readyException in a function so that the lookup
4075		// happens at the time of error handling instead of callback
4076		// registration.
4077		.catch( function( error ) {
4078			jQuery.readyException( error );
4079		} );
4080
4081	return this;
4082};
4083
4084jQuery.extend( {
4085
4086	// Is the DOM ready to be used? Set to true once it occurs.
4087	isReady: false,
4088
4089	// A counter to track how many items to wait for before
4090	// the ready event fires. See #6781
4091	readyWait: 1,
4092
4093	// Handle when the DOM is ready
4094	ready: function( wait ) {
4095
4096		// Abort if there are pending holds or we're already ready
4097		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
4098			return;
4099		}
4100
4101		// Remember that the DOM is ready
4102		jQuery.isReady = true;
4103
4104		// If a normal DOM Ready event fired, decrement, and wait if need be
4105		if ( wait !== true && --jQuery.readyWait > 0 ) {
4106			return;
4107		}
4108
4109		// If there are functions bound, to execute
4110		readyList.resolveWith( document, [ jQuery ] );
4111	}
4112} );
4113
4114jQuery.ready.then = readyList.then;
4115
4116// The ready event handler and self cleanup method
4117function completed() {
4118	document.removeEventListener( "DOMContentLoaded", completed );
4119	window.removeEventListener( "load", completed );
4120	jQuery.ready();
4121}
4122
4123// Catch cases where $(document).ready() is called
4124// after the browser event has already occurred.
4125// Support: IE <=9 - 10 only
4126// Older IE sometimes signals "interactive" too soon
4127if ( document.readyState === "complete" ||
4128	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
4129
4130	// Handle it asynchronously to allow scripts the opportunity to delay ready
4131	window.setTimeout( jQuery.ready );
4132
4133} else {
4134
4135	// Use the handy event callback
4136	document.addEventListener( "DOMContentLoaded", completed );
4137
4138	// A fallback to window.onload, that will always work
4139	window.addEventListener( "load", completed );
4140}
4141
4142
4143
4144
4145// Multifunctional method to get and set values of a collection
4146// The value/s can optionally be executed if it's a function
4147var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4148	var i = 0,
4149		len = elems.length,
4150		bulk = key == null;
4151
4152	// Sets many values
4153	if ( toType( key ) === "object" ) {
4154		chainable = true;
4155		for ( i in key ) {
4156			access( elems, fn, i, key[ i ], true, emptyGet, raw );
4157		}
4158
4159	// Sets one value
4160	} else if ( value !== undefined ) {
4161		chainable = true;
4162
4163		if ( !isFunction( value ) ) {
4164			raw = true;
4165		}
4166
4167		if ( bulk ) {
4168
4169			// Bulk operations run against the entire set
4170			if ( raw ) {
4171				fn.call( elems, value );
4172				fn = null;
4173
4174			// ...except when executing function values
4175			} else {
4176				bulk = fn;
4177				fn = function( elem, _key, value ) {
4178					return bulk.call( jQuery( elem ), value );
4179				};
4180			}
4181		}
4182
4183		if ( fn ) {
4184			for ( ; i < len; i++ ) {
4185				fn(
4186					elems[ i ], key, raw ?
4187						value :
4188						value.call( elems[ i ], i, fn( elems[ i ], key ) )
4189				);
4190			}
4191		}
4192	}
4193
4194	if ( chainable ) {
4195		return elems;
4196	}
4197
4198	// Gets
4199	if ( bulk ) {
4200		return fn.call( elems );
4201	}
4202
4203	return len ? fn( elems[ 0 ], key ) : emptyGet;
4204};
4205
4206
4207// Matches dashed string for camelizing
4208var rmsPrefix = /^-ms-/,
4209	rdashAlpha = /-([a-z])/g;
4210
4211// Used by camelCase as callback to replace()
4212function fcamelCase( _all, letter ) {
4213	return letter.toUpperCase();
4214}
4215
4216// Convert dashed to camelCase; used by the css and data modules
4217// Support: IE <=9 - 11, Edge 12 - 15
4218// Microsoft forgot to hump their vendor prefix (#9572)
4219function camelCase( string ) {
4220	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4221}
4222var acceptData = function( owner ) {
4223
4224	// Accepts only:
4225	//  - Node
4226	//    - Node.ELEMENT_NODE
4227	//    - Node.DOCUMENT_NODE
4228	//  - Object
4229	//    - Any
4230	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4231};
4232
4233
4234
4235
4236function Data() {
4237	this.expando = jQuery.expando + Data.uid++;
4238}
4239
4240Data.uid = 1;
4241
4242Data.prototype = {
4243
4244	cache: function( owner ) {
4245
4246		// Check if the owner object already has a cache
4247		var value = owner[ this.expando ];
4248
4249		// If not, create one
4250		if ( !value ) {
4251			value = {};
4252
4253			// We can accept data for non-element nodes in modern browsers,
4254			// but we should not, see #8335.
4255			// Always return an empty object.
4256			if ( acceptData( owner ) ) {
4257
4258				// If it is a node unlikely to be stringify-ed or looped over
4259				// use plain assignment
4260				if ( owner.nodeType ) {
4261					owner[ this.expando ] = value;
4262
4263				// Otherwise secure it in a non-enumerable property
4264				// configurable must be true to allow the property to be
4265				// deleted when data is removed
4266				} else {
4267					Object.defineProperty( owner, this.expando, {
4268						value: value,
4269						configurable: true
4270					} );
4271				}
4272			}
4273		}
4274
4275		return value;
4276	},
4277	set: function( owner, data, value ) {
4278		var prop,
4279			cache = this.cache( owner );
4280
4281		// Handle: [ owner, key, value ] args
4282		// Always use camelCase key (gh-2257)
4283		if ( typeof data === "string" ) {
4284			cache[ camelCase( data ) ] = value;
4285
4286		// Handle: [ owner, { properties } ] args
4287		} else {
4288
4289			// Copy the properties one-by-one to the cache object
4290			for ( prop in data ) {
4291				cache[ camelCase( prop ) ] = data[ prop ];
4292			}
4293		}
4294		return cache;
4295	},
4296	get: function( owner, key ) {
4297		return key === undefined ?
4298			this.cache( owner ) :
4299
4300			// Always use camelCase key (gh-2257)
4301			owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4302	},
4303	access: function( owner, key, value ) {
4304
4305		// In cases where either:
4306		//
4307		//   1. No key was specified
4308		//   2. A string key was specified, but no value provided
4309		//
4310		// Take the "read" path and allow the get method to determine
4311		// which value to return, respectively either:
4312		//
4313		//   1. The entire cache object
4314		//   2. The data stored at the key
4315		//
4316		if ( key === undefined ||
4317				( ( key && typeof key === "string" ) && value === undefined ) ) {
4318
4319			return this.get( owner, key );
4320		}
4321
4322		// When the key is not a string, or both a key and value
4323		// are specified, set or extend (existing objects) with either:
4324		//
4325		//   1. An object of properties
4326		//   2. A key and value
4327		//
4328		this.set( owner, key, value );
4329
4330		// Since the "set" path can have two possible entry points
4331		// return the expected data based on which path was taken[*]
4332		return value !== undefined ? value : key;
4333	},
4334	remove: function( owner, key ) {
4335		var i,
4336			cache = owner[ this.expando ];
4337
4338		if ( cache === undefined ) {
4339			return;
4340		}
4341
4342		if ( key !== undefined ) {
4343
4344			// Support array or space separated string of keys
4345			if ( Array.isArray( key ) ) {
4346
4347				// If key is an array of keys...
4348				// We always set camelCase keys, so remove that.
4349				key = key.map( camelCase );
4350			} else {
4351				key = camelCase( key );
4352
4353				// If a key with the spaces exists, use it.
4354				// Otherwise, create an array by matching non-whitespace
4355				key = key in cache ?
4356					[ key ] :
4357					( key.match( rnothtmlwhite ) || [] );
4358			}
4359
4360			i = key.length;
4361
4362			while ( i-- ) {
4363				delete cache[ key[ i ] ];
4364			}
4365		}
4366
4367		// Remove the expando if there's no more data
4368		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4369
4370			// Support: Chrome <=35 - 45
4371			// Webkit & Blink performance suffers when deleting properties
4372			// from DOM nodes, so set to undefined instead
4373			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4374			if ( owner.nodeType ) {
4375				owner[ this.expando ] = undefined;
4376			} else {
4377				delete owner[ this.expando ];
4378			}
4379		}
4380	},
4381	hasData: function( owner ) {
4382		var cache = owner[ this.expando ];
4383		return cache !== undefined && !jQuery.isEmptyObject( cache );
4384	}
4385};
4386var dataPriv = new Data();
4387
4388var dataUser = new Data();
4389
4390
4391
4392//	Implementation Summary
4393//
4394//	1. Enforce API surface and semantic compatibility with 1.9.x branch
4395//	2. Improve the module's maintainability by reducing the storage
4396//		paths to a single mechanism.
4397//	3. Use the same single mechanism to support "private" and "user" data.
4398//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4399//	5. Avoid exposing implementation details on user objects (eg. expando properties)
4400//	6. Provide a clear path for implementation upgrade to WeakMap in 2014
4401
4402var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4403	rmultiDash = /[A-Z]/g;
4404
4405function getData( data ) {
4406	if ( data === "true" ) {
4407		return true;
4408	}
4409
4410	if ( data === "false" ) {
4411		return false;
4412	}
4413
4414	if ( data === "null" ) {
4415		return null;
4416	}
4417
4418	// Only convert to a number if it doesn't change the string
4419	if ( data === +data + "" ) {
4420		return +data;
4421	}
4422
4423	if ( rbrace.test( data ) ) {
4424		return JSON.parse( data );
4425	}
4426
4427	return data;
4428}
4429
4430function dataAttr( elem, key, data ) {
4431	var name;
4432
4433	// If nothing was found internally, try to fetch any
4434	// data from the HTML5 data-* attribute
4435	if ( data === undefined && elem.nodeType === 1 ) {
4436		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4437		data = elem.getAttribute( name );
4438
4439		if ( typeof data === "string" ) {
4440			try {
4441				data = getData( data );
4442			} catch ( e ) {}
4443
4444			// Make sure we set the data so it isn't changed later
4445			dataUser.set( elem, key, data );
4446		} else {
4447			data = undefined;
4448		}
4449	}
4450	return data;
4451}
4452
4453jQuery.extend( {
4454	hasData: function( elem ) {
4455		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4456	},
4457
4458	data: function( elem, name, data ) {
4459		return dataUser.access( elem, name, data );
4460	},
4461
4462	removeData: function( elem, name ) {
4463		dataUser.remove( elem, name );
4464	},
4465
4466	// TODO: Now that all calls to _data and _removeData have been replaced
4467	// with direct calls to dataPriv methods, these can be deprecated.
4468	_data: function( elem, name, data ) {
4469		return dataPriv.access( elem, name, data );
4470	},
4471
4472	_removeData: function( elem, name ) {
4473		dataPriv.remove( elem, name );
4474	}
4475} );
4476
4477jQuery.fn.extend( {
4478	data: function( key, value ) {
4479		var i, name, data,
4480			elem = this[ 0 ],
4481			attrs = elem && elem.attributes;
4482
4483		// Gets all values
4484		if ( key === undefined ) {
4485			if ( this.length ) {
4486				data = dataUser.get( elem );
4487
4488				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4489					i = attrs.length;
4490					while ( i-- ) {
4491
4492						// Support: IE 11 only
4493						// The attrs elements can be null (#14894)
4494						if ( attrs[ i ] ) {
4495							name = attrs[ i ].name;
4496							if ( name.indexOf( "data-" ) === 0 ) {
4497								name = camelCase( name.slice( 5 ) );
4498								dataAttr( elem, name, data[ name ] );
4499							}
4500						}
4501					}
4502					dataPriv.set( elem, "hasDataAttrs", true );
4503				}
4504			}
4505
4506			return data;
4507		}
4508
4509		// Sets multiple values
4510		if ( typeof key === "object" ) {
4511			return this.each( function() {
4512				dataUser.set( this, key );
4513			} );
4514		}
4515
4516		return access( this, function( value ) {
4517			var data;
4518
4519			// The calling jQuery object (element matches) is not empty
4520			// (and therefore has an element appears at this[ 0 ]) and the
4521			// `value` parameter was not undefined. An empty jQuery object
4522			// will result in `undefined` for elem = this[ 0 ] which will
4523			// throw an exception if an attempt to read a data cache is made.
4524			if ( elem && value === undefined ) {
4525
4526				// Attempt to get data from the cache
4527				// The key will always be camelCased in Data
4528				data = dataUser.get( elem, key );
4529				if ( data !== undefined ) {
4530					return data;
4531				}
4532
4533				// Attempt to "discover" the data in
4534				// HTML5 custom data-* attrs
4535				data = dataAttr( elem, key );
4536				if ( data !== undefined ) {
4537					return data;
4538				}
4539
4540				// We tried really hard, but the data doesn't exist.
4541				return;
4542			}
4543
4544			// Set the data...
4545			this.each( function() {
4546
4547				// We always store the camelCased key
4548				dataUser.set( this, key, value );
4549			} );
4550		}, null, value, arguments.length > 1, null, true );
4551	},
4552
4553	removeData: function( key ) {
4554		return this.each( function() {
4555			dataUser.remove( this, key );
4556		} );
4557	}
4558} );
4559
4560
4561jQuery.extend( {
4562	queue: function( elem, type, data ) {
4563		var queue;
4564
4565		if ( elem ) {
4566			type = ( type || "fx" ) + "queue";
4567			queue = dataPriv.get( elem, type );
4568
4569			// Speed up dequeue by getting out quickly if this is just a lookup
4570			if ( data ) {
4571				if ( !queue || Array.isArray( data ) ) {
4572					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4573				} else {
4574					queue.push( data );
4575				}
4576			}
4577			return queue || [];
4578		}
4579	},
4580
4581	dequeue: function( elem, type ) {
4582		type = type || "fx";
4583
4584		var queue = jQuery.queue( elem, type ),
4585			startLength = queue.length,
4586			fn = queue.shift(),
4587			hooks = jQuery._queueHooks( elem, type ),
4588			next = function() {
4589				jQuery.dequeue( elem, type );
4590			};
4591
4592		// If the fx queue is dequeued, always remove the progress sentinel
4593		if ( fn === "inprogress" ) {
4594			fn = queue.shift();
4595			startLength--;
4596		}
4597
4598		if ( fn ) {
4599
4600			// Add a progress sentinel to prevent the fx queue from being
4601			// automatically dequeued
4602			if ( type === "fx" ) {
4603				queue.unshift( "inprogress" );
4604			}
4605
4606			// Clear up the last queue stop function
4607			delete hooks.stop;
4608			fn.call( elem, next, hooks );
4609		}
4610
4611		if ( !startLength && hooks ) {
4612			hooks.empty.fire();
4613		}
4614	},
4615
4616	// Not public - generate a queueHooks object, or return the current one
4617	_queueHooks: function( elem, type ) {
4618		var key = type + "queueHooks";
4619		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4620			empty: jQuery.Callbacks( "once memory" ).add( function() {
4621				dataPriv.remove( elem, [ type + "queue", key ] );
4622			} )
4623		} );
4624	}
4625} );
4626
4627jQuery.fn.extend( {
4628	queue: function( type, data ) {
4629		var setter = 2;
4630
4631		if ( typeof type !== "string" ) {
4632			data = type;
4633			type = "fx";
4634			setter--;
4635		}
4636
4637		if ( arguments.length < setter ) {
4638			return jQuery.queue( this[ 0 ], type );
4639		}
4640
4641		return data === undefined ?
4642			this :
4643			this.each( function() {
4644				var queue = jQuery.queue( this, type, data );
4645
4646				// Ensure a hooks for this queue
4647				jQuery._queueHooks( this, type );
4648
4649				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4650					jQuery.dequeue( this, type );
4651				}
4652			} );
4653	},
4654	dequeue: function( type ) {
4655		return this.each( function() {
4656			jQuery.dequeue( this, type );
4657		} );
4658	},
4659	clearQueue: function( type ) {
4660		return this.queue( type || "fx", [] );
4661	},
4662
4663	// Get a promise resolved when queues of a certain type
4664	// are emptied (fx is the type by default)
4665	promise: function( type, obj ) {
4666		var tmp,
4667			count = 1,
4668			defer = jQuery.Deferred(),
4669			elements = this,
4670			i = this.length,
4671			resolve = function() {
4672				if ( !( --count ) ) {
4673					defer.resolveWith( elements, [ elements ] );
4674				}
4675			};
4676
4677		if ( typeof type !== "string" ) {
4678			obj = type;
4679			type = undefined;
4680		}
4681		type = type || "fx";
4682
4683		while ( i-- ) {
4684			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4685			if ( tmp && tmp.empty ) {
4686				count++;
4687				tmp.empty.add( resolve );
4688			}
4689		}
4690		resolve();
4691		return defer.promise( obj );
4692	}
4693} );
4694var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4695
4696var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4697
4698
4699var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4700
4701var documentElement = document.documentElement;
4702
4703
4704
4705	var isAttached = function( elem ) {
4706			return jQuery.contains( elem.ownerDocument, elem );
4707		},
4708		composed = { composed: true };
4709
4710	// Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4711	// Check attachment across shadow DOM boundaries when possible (gh-3504)
4712	// Support: iOS 10.0-10.2 only
4713	// Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4714	// leading to errors. We need to check for `getRootNode`.
4715	if ( documentElement.getRootNode ) {
4716		isAttached = function( elem ) {
4717			return jQuery.contains( elem.ownerDocument, elem ) ||
4718				elem.getRootNode( composed ) === elem.ownerDocument;
4719		};
4720	}
4721var isHiddenWithinTree = function( elem, el ) {
4722
4723		// isHiddenWithinTree might be called from jQuery#filter function;
4724		// in that case, element will be second argument
4725		elem = el || elem;
4726
4727		// Inline style trumps all
4728		return elem.style.display === "none" ||
4729			elem.style.display === "" &&
4730
4731			// Otherwise, check computed style
4732			// Support: Firefox <=43 - 45
4733			// Disconnected elements can have computed display: none, so first confirm that elem is
4734			// in the document.
4735			isAttached( elem ) &&
4736
4737			jQuery.css( elem, "display" ) === "none";
4738	};
4739
4740
4741
4742function adjustCSS( elem, prop, valueParts, tween ) {
4743	var adjusted, scale,
4744		maxIterations = 20,
4745		currentValue = tween ?
4746			function() {
4747				return tween.cur();
4748			} :
4749			function() {
4750				return jQuery.css( elem, prop, "" );
4751			},
4752		initial = currentValue(),
4753		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4754
4755		// Starting value computation is required for potential unit mismatches
4756		initialInUnit = elem.nodeType &&
4757			( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4758			rcssNum.exec( jQuery.css( elem, prop ) );
4759
4760	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4761
4762		// Support: Firefox <=54
4763		// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4764		initial = initial / 2;
4765
4766		// Trust units reported by jQuery.css
4767		unit = unit || initialInUnit[ 3 ];
4768
4769		// Iteratively approximate from a nonzero starting point
4770		initialInUnit = +initial || 1;
4771
4772		while ( maxIterations-- ) {
4773
4774			// Evaluate and update our best guess (doubling guesses that zero out).
4775			// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4776			jQuery.style( elem, prop, initialInUnit + unit );
4777			if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4778				maxIterations = 0;
4779			}
4780			initialInUnit = initialInUnit / scale;
4781
4782		}
4783
4784		initialInUnit = initialInUnit * 2;
4785		jQuery.style( elem, prop, initialInUnit + unit );
4786
4787		// Make sure we update the tween properties later on
4788		valueParts = valueParts || [];
4789	}
4790
4791	if ( valueParts ) {
4792		initialInUnit = +initialInUnit || +initial || 0;
4793
4794		// Apply relative offset (+=/-=) if specified
4795		adjusted = valueParts[ 1 ] ?
4796			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4797			+valueParts[ 2 ];
4798		if ( tween ) {
4799			tween.unit = unit;
4800			tween.start = initialInUnit;
4801			tween.end = adjusted;
4802		}
4803	}
4804	return adjusted;
4805}
4806
4807
4808var defaultDisplayMap = {};
4809
4810function getDefaultDisplay( elem ) {
4811	var temp,
4812		doc = elem.ownerDocument,
4813		nodeName = elem.nodeName,
4814		display = defaultDisplayMap[ nodeName ];
4815
4816	if ( display ) {
4817		return display;
4818	}
4819
4820	temp = doc.body.appendChild( doc.createElement( nodeName ) );
4821	display = jQuery.css( temp, "display" );
4822
4823	temp.parentNode.removeChild( temp );
4824
4825	if ( display === "none" ) {
4826		display = "block";
4827	}
4828	defaultDisplayMap[ nodeName ] = display;
4829
4830	return display;
4831}
4832
4833function showHide( elements, show ) {
4834	var display, elem,
4835		values = [],
4836		index = 0,
4837		length = elements.length;
4838
4839	// Determine new display value for elements that need to change
4840	for ( ; index < length; index++ ) {
4841		elem = elements[ index ];
4842		if ( !elem.style ) {
4843			continue;
4844		}
4845
4846		display = elem.style.display;
4847		if ( show ) {
4848
4849			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4850			// check is required in this first loop unless we have a nonempty display value (either
4851			// inline or about-to-be-restored)
4852			if ( display === "none" ) {
4853				values[ index ] = dataPriv.get( elem, "display" ) || null;
4854				if ( !values[ index ] ) {
4855					elem.style.display = "";
4856				}
4857			}
4858			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4859				values[ index ] = getDefaultDisplay( elem );
4860			}
4861		} else {
4862			if ( display !== "none" ) {
4863				values[ index ] = "none";
4864
4865				// Remember what we're overwriting
4866				dataPriv.set( elem, "display", display );
4867			}
4868		}
4869	}
4870
4871	// Set the display of the elements in a second loop to avoid constant reflow
4872	for ( index = 0; index < length; index++ ) {
4873		if ( values[ index ] != null ) {
4874			elements[ index ].style.display = values[ index ];
4875		}
4876	}
4877
4878	return elements;
4879}
4880
4881jQuery.fn.extend( {
4882	show: function() {
4883		return showHide( this, true );
4884	},
4885	hide: function() {
4886		return showHide( this );
4887	},
4888	toggle: function( state ) {
4889		if ( typeof state === "boolean" ) {
4890			return state ? this.show() : this.hide();
4891		}
4892
4893		return this.each( function() {
4894			if ( isHiddenWithinTree( this ) ) {
4895				jQuery( this ).show();
4896			} else {
4897				jQuery( this ).hide();
4898			}
4899		} );
4900	}
4901} );
4902var rcheckableType = ( /^(?:checkbox|radio)$/i );
4903
4904var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4905
4906var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4907
4908
4909
4910( function() {
4911	var fragment = document.createDocumentFragment(),
4912		div = fragment.appendChild( document.createElement( "div" ) ),
4913		input = document.createElement( "input" );
4914
4915	// Support: Android 4.0 - 4.3 only
4916	// Check state lost if the name is set (#11217)
4917	// Support: Windows Web Apps (WWA)
4918	// `name` and `type` must use .setAttribute for WWA (#14901)
4919	input.setAttribute( "type", "radio" );
4920	input.setAttribute( "checked", "checked" );
4921	input.setAttribute( "name", "t" );
4922
4923	div.appendChild( input );
4924
4925	// Support: Android <=4.1 only
4926	// Older WebKit doesn't clone checked state correctly in fragments
4927	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4928
4929	// Support: IE <=11 only
4930	// Make sure textarea (and checkbox) defaultValue is properly cloned
4931	div.innerHTML = "<textarea>x</textarea>";
4932	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4933
4934	// Support: IE <=9 only
4935	// IE <=9 replaces <option> tags with their contents when inserted outside of
4936	// the select element.
4937	div.innerHTML = "<option></option>";
4938	support.option = !!div.lastChild;
4939} )();
4940
4941
4942// We have to close these tags to support XHTML (#13200)
4943var wrapMap = {
4944
4945	// XHTML parsers do not magically insert elements in the
4946	// same way that tag soup parsers do. So we cannot shorten
4947	// this by omitting <tbody> or other required elements.
4948	thead: [ 1, "<table>", "</table>" ],
4949	col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4950	tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4951	td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4952
4953	_default: [ 0, "", "" ]
4954};
4955
4956wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4957wrapMap.th = wrapMap.td;
4958
4959// Support: IE <=9 only
4960if ( !support.option ) {
4961	wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4962}
4963
4964
4965function getAll( context, tag ) {
4966
4967	// Support: IE <=9 - 11 only
4968	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
4969	var ret;
4970
4971	if ( typeof context.getElementsByTagName !== "undefined" ) {
4972		ret = context.getElementsByTagName( tag || "*" );
4973
4974	} else if ( typeof context.querySelectorAll !== "undefined" ) {
4975		ret = context.querySelectorAll( tag || "*" );
4976
4977	} else {
4978		ret = [];
4979	}
4980
4981	if ( tag === undefined || tag && nodeName( context, tag ) ) {
4982		return jQuery.merge( [ context ], ret );
4983	}
4984
4985	return ret;
4986}
4987
4988
4989// Mark scripts as having already been evaluated
4990function setGlobalEval( elems, refElements ) {
4991	var i = 0,
4992		l = elems.length;
4993
4994	for ( ; i < l; i++ ) {
4995		dataPriv.set(
4996			elems[ i ],
4997			"globalEval",
4998			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
4999		);
5000	}
5001}
5002
5003
5004var rhtml = /<|&#?\w+;/;
5005
5006function buildFragment( elems, context, scripts, selection, ignored ) {
5007	var elem, tmp, tag, wrap, attached, j,
5008		fragment = context.createDocumentFragment(),
5009		nodes = [],
5010		i = 0,
5011		l = elems.length;
5012
5013	for ( ; i < l; i++ ) {
5014		elem = elems[ i ];
5015
5016		if ( elem || elem === 0 ) {
5017
5018			// Add nodes directly
5019			if ( toType( elem ) === "object" ) {
5020
5021				// Support: Android <=4.0 only, PhantomJS 1 only
5022				// push.apply(_, arraylike) throws on ancient WebKit
5023				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5024
5025			// Convert non-html into a text node
5026			} else if ( !rhtml.test( elem ) ) {
5027				nodes.push( context.createTextNode( elem ) );
5028
5029			// Convert html into DOM nodes
5030			} else {
5031				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
5032
5033				// Deserialize a standard representation
5034				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
5035				wrap = wrapMap[ tag ] || wrapMap._default;
5036				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
5037
5038				// Descend through wrappers to the right content
5039				j = wrap[ 0 ];
5040				while ( j-- ) {
5041					tmp = tmp.lastChild;
5042				}
5043
5044				// Support: Android <=4.0 only, PhantomJS 1 only
5045				// push.apply(_, arraylike) throws on ancient WebKit
5046				jQuery.merge( nodes, tmp.childNodes );
5047
5048				// Remember the top-level container
5049				tmp = fragment.firstChild;
5050
5051				// Ensure the created nodes are orphaned (#12392)
5052				tmp.textContent = "";
5053			}
5054		}
5055	}
5056
5057	// Remove wrapper from fragment
5058	fragment.textContent = "";
5059
5060	i = 0;
5061	while ( ( elem = nodes[ i++ ] ) ) {
5062
5063		// Skip elements already in the context collection (trac-4087)
5064		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
5065			if ( ignored ) {
5066				ignored.push( elem );
5067			}
5068			continue;
5069		}
5070
5071		attached = isAttached( elem );
5072
5073		// Append to fragment
5074		tmp = getAll( fragment.appendChild( elem ), "script" );
5075
5076		// Preserve script evaluation history
5077		if ( attached ) {
5078			setGlobalEval( tmp );
5079		}
5080
5081		// Capture executables
5082		if ( scripts ) {
5083			j = 0;
5084			while ( ( elem = tmp[ j++ ] ) ) {
5085				if ( rscriptType.test( elem.type || "" ) ) {
5086					scripts.push( elem );
5087				}
5088			}
5089		}
5090	}
5091
5092	return fragment;
5093}
5094
5095
5096var rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
5097
5098function returnTrue() {
5099	return true;
5100}
5101
5102function returnFalse() {
5103	return false;
5104}
5105
5106// Support: IE <=9 - 11+
5107// focus() and blur() are asynchronous, except when they are no-op.
5108// So expect focus to be synchronous when the element is already active,
5109// and blur to be synchronous when the element is not already active.
5110// (focus and blur are always synchronous in other supported browsers,
5111// this just defines when we can count on it).
5112function expectSync( elem, type ) {
5113	return ( elem === safeActiveElement() ) === ( type === "focus" );
5114}
5115
5116// Support: IE <=9 only
5117// Accessing document.activeElement can throw unexpectedly
5118// https://bugs.jquery.com/ticket/13393
5119function safeActiveElement() {
5120	try {
5121		return document.activeElement;
5122	} catch ( err ) { }
5123}
5124
5125function on( elem, types, selector, data, fn, one ) {
5126	var origFn, type;
5127
5128	// Types can be a map of types/handlers
5129	if ( typeof types === "object" ) {
5130
5131		// ( types-Object, selector, data )
5132		if ( typeof selector !== "string" ) {
5133
5134			// ( types-Object, data )
5135			data = data || selector;
5136			selector = undefined;
5137		}
5138		for ( type in types ) {
5139			on( elem, type, selector, data, types[ type ], one );
5140		}
5141		return elem;
5142	}
5143
5144	if ( data == null && fn == null ) {
5145
5146		// ( types, fn )
5147		fn = selector;
5148		data = selector = undefined;
5149	} else if ( fn == null ) {
5150		if ( typeof selector === "string" ) {
5151
5152			// ( types, selector, fn )
5153			fn = data;
5154			data = undefined;
5155		} else {
5156
5157			// ( types, data, fn )
5158			fn = data;
5159			data = selector;
5160			selector = undefined;
5161		}
5162	}
5163	if ( fn === false ) {
5164		fn = returnFalse;
5165	} else if ( !fn ) {
5166		return elem;
5167	}
5168
5169	if ( one === 1 ) {
5170		origFn = fn;
5171		fn = function( event ) {
5172
5173			// Can use an empty set, since event contains the info
5174			jQuery().off( event );
5175			return origFn.apply( this, arguments );
5176		};
5177
5178		// Use same guid so caller can remove using origFn
5179		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5180	}
5181	return elem.each( function() {
5182		jQuery.event.add( this, types, fn, data, selector );
5183	} );
5184}
5185
5186/*
5187 * Helper functions for managing events -- not part of the public interface.
5188 * Props to Dean Edwards' addEvent library for many of the ideas.
5189 */
5190jQuery.event = {
5191
5192	global: {},
5193
5194	add: function( elem, types, handler, data, selector ) {
5195
5196		var handleObjIn, eventHandle, tmp,
5197			events, t, handleObj,
5198			special, handlers, type, namespaces, origType,
5199			elemData = dataPriv.get( elem );
5200
5201		// Only attach events to objects that accept data
5202		if ( !acceptData( elem ) ) {
5203			return;
5204		}
5205
5206		// Caller can pass in an object of custom data in lieu of the handler
5207		if ( handler.handler ) {
5208			handleObjIn = handler;
5209			handler = handleObjIn.handler;
5210			selector = handleObjIn.selector;
5211		}
5212
5213		// Ensure that invalid selectors throw exceptions at attach time
5214		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
5215		if ( selector ) {
5216			jQuery.find.matchesSelector( documentElement, selector );
5217		}
5218
5219		// Make sure that the handler has a unique ID, used to find/remove it later
5220		if ( !handler.guid ) {
5221			handler.guid = jQuery.guid++;
5222		}
5223
5224		// Init the element's event structure and main handler, if this is the first
5225		if ( !( events = elemData.events ) ) {
5226			events = elemData.events = Object.create( null );
5227		}
5228		if ( !( eventHandle = elemData.handle ) ) {
5229			eventHandle = elemData.handle = function( e ) {
5230
5231				// Discard the second event of a jQuery.event.trigger() and
5232				// when an event is called after a page has unloaded
5233				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5234					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5235			};
5236		}
5237
5238		// Handle multiple events separated by a space
5239		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5240		t = types.length;
5241		while ( t-- ) {
5242			tmp = rtypenamespace.exec( types[ t ] ) || [];
5243			type = origType = tmp[ 1 ];
5244			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5245
5246			// There *must* be a type, no attaching namespace-only handlers
5247			if ( !type ) {
5248				continue;
5249			}
5250
5251			// If event changes its type, use the special event handlers for the changed type
5252			special = jQuery.event.special[ type ] || {};
5253
5254			// If selector defined, determine special event api type, otherwise given type
5255			type = ( selector ? special.delegateType : special.bindType ) || type;
5256
5257			// Update special based on newly reset type
5258			special = jQuery.event.special[ type ] || {};
5259
5260			// handleObj is passed to all event handlers
5261			handleObj = jQuery.extend( {
5262				type: type,
5263				origType: origType,
5264				data: data,
5265				handler: handler,
5266				guid: handler.guid,
5267				selector: selector,
5268				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5269				namespace: namespaces.join( "." )
5270			}, handleObjIn );
5271
5272			// Init the event handler queue if we're the first
5273			if ( !( handlers = events[ type ] ) ) {
5274				handlers = events[ type ] = [];
5275				handlers.delegateCount = 0;
5276
5277				// Only use addEventListener if the special events handler returns false
5278				if ( !special.setup ||
5279					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5280
5281					if ( elem.addEventListener ) {
5282						elem.addEventListener( type, eventHandle );
5283					}
5284				}
5285			}
5286
5287			if ( special.add ) {
5288				special.add.call( elem, handleObj );
5289
5290				if ( !handleObj.handler.guid ) {
5291					handleObj.handler.guid = handler.guid;
5292				}
5293			}
5294
5295			// Add to the element's handler list, delegates in front
5296			if ( selector ) {
5297				handlers.splice( handlers.delegateCount++, 0, handleObj );
5298			} else {
5299				handlers.push( handleObj );
5300			}
5301
5302			// Keep track of which events have ever been used, for event optimization
5303			jQuery.event.global[ type ] = true;
5304		}
5305
5306	},
5307
5308	// Detach an event or set of events from an element
5309	remove: function( elem, types, handler, selector, mappedTypes ) {
5310
5311		var j, origCount, tmp,
5312			events, t, handleObj,
5313			special, handlers, type, namespaces, origType,
5314			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5315
5316		if ( !elemData || !( events = elemData.events ) ) {
5317			return;
5318		}
5319
5320		// Once for each type.namespace in types; type may be omitted
5321		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5322		t = types.length;
5323		while ( t-- ) {
5324			tmp = rtypenamespace.exec( types[ t ] ) || [];
5325			type = origType = tmp[ 1 ];
5326			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5327
5328			// Unbind all events (on this namespace, if provided) for the element
5329			if ( !type ) {
5330				for ( type in events ) {
5331					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5332				}
5333				continue;
5334			}
5335
5336			special = jQuery.event.special[ type ] || {};
5337			type = ( selector ? special.delegateType : special.bindType ) || type;
5338			handlers = events[ type ] || [];
5339			tmp = tmp[ 2 ] &&
5340				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5341
5342			// Remove matching events
5343			origCount = j = handlers.length;
5344			while ( j-- ) {
5345				handleObj = handlers[ j ];
5346
5347				if ( ( mappedTypes || origType === handleObj.origType ) &&
5348					( !handler || handler.guid === handleObj.guid ) &&
5349					( !tmp || tmp.test( handleObj.namespace ) ) &&
5350					( !selector || selector === handleObj.selector ||
5351						selector === "**" && handleObj.selector ) ) {
5352					handlers.splice( j, 1 );
5353
5354					if ( handleObj.selector ) {
5355						handlers.delegateCount--;
5356					}
5357					if ( special.remove ) {
5358						special.remove.call( elem, handleObj );
5359					}
5360				}
5361			}
5362
5363			// Remove generic event handler if we removed something and no more handlers exist
5364			// (avoids potential for endless recursion during removal of special event handlers)
5365			if ( origCount && !handlers.length ) {
5366				if ( !special.teardown ||
5367					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5368
5369					jQuery.removeEvent( elem, type, elemData.handle );
5370				}
5371
5372				delete events[ type ];
5373			}
5374		}
5375
5376		// Remove data and the expando if it's no longer used
5377		if ( jQuery.isEmptyObject( events ) ) {
5378			dataPriv.remove( elem, "handle events" );
5379		}
5380	},
5381
5382	dispatch: function( nativeEvent ) {
5383
5384		var i, j, ret, matched, handleObj, handlerQueue,
5385			args = new Array( arguments.length ),
5386
5387			// Make a writable jQuery.Event from the native event object
5388			event = jQuery.event.fix( nativeEvent ),
5389
5390			handlers = (
5391				dataPriv.get( this, "events" ) || Object.create( null )
5392			)[ event.type ] || [],
5393			special = jQuery.event.special[ event.type ] || {};
5394
5395		// Use the fix-ed jQuery.Event rather than the (read-only) native event
5396		args[ 0 ] = event;
5397
5398		for ( i = 1; i < arguments.length; i++ ) {
5399			args[ i ] = arguments[ i ];
5400		}
5401
5402		event.delegateTarget = this;
5403
5404		// Call the preDispatch hook for the mapped type, and let it bail if desired
5405		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5406			return;
5407		}
5408
5409		// Determine handlers
5410		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5411
5412		// Run delegates first; they may want to stop propagation beneath us
5413		i = 0;
5414		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5415			event.currentTarget = matched.elem;
5416
5417			j = 0;
5418			while ( ( handleObj = matched.handlers[ j++ ] ) &&
5419				!event.isImmediatePropagationStopped() ) {
5420
5421				// If the event is namespaced, then each handler is only invoked if it is
5422				// specially universal or its namespaces are a superset of the event's.
5423				if ( !event.rnamespace || handleObj.namespace === false ||
5424					event.rnamespace.test( handleObj.namespace ) ) {
5425
5426					event.handleObj = handleObj;
5427					event.data = handleObj.data;
5428
5429					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5430						handleObj.handler ).apply( matched.elem, args );
5431
5432					if ( ret !== undefined ) {
5433						if ( ( event.result = ret ) === false ) {
5434							event.preventDefault();
5435							event.stopPropagation();
5436						}
5437					}
5438				}
5439			}
5440		}
5441
5442		// Call the postDispatch hook for the mapped type
5443		if ( special.postDispatch ) {
5444			special.postDispatch.call( this, event );
5445		}
5446
5447		return event.result;
5448	},
5449
5450	handlers: function( event, handlers ) {
5451		var i, handleObj, sel, matchedHandlers, matchedSelectors,
5452			handlerQueue = [],
5453			delegateCount = handlers.delegateCount,
5454			cur = event.target;
5455
5456		// Find delegate handlers
5457		if ( delegateCount &&
5458
5459			// Support: IE <=9
5460			// Black-hole SVG <use> instance trees (trac-13180)
5461			cur.nodeType &&
5462
5463			// Support: Firefox <=42
5464			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5465			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5466			// Support: IE 11 only
5467			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5468			!( event.type === "click" && event.button >= 1 ) ) {
5469
5470			for ( ; cur !== this; cur = cur.parentNode || this ) {
5471
5472				// Don't check non-elements (#13208)
5473				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5474				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5475					matchedHandlers = [];
5476					matchedSelectors = {};
5477					for ( i = 0; i < delegateCount; i++ ) {
5478						handleObj = handlers[ i ];
5479
5480						// Don't conflict with Object.prototype properties (#13203)
5481						sel = handleObj.selector + " ";
5482
5483						if ( matchedSelectors[ sel ] === undefined ) {
5484							matchedSelectors[ sel ] = handleObj.needsContext ?
5485								jQuery( sel, this ).index( cur ) > -1 :
5486								jQuery.find( sel, this, null, [ cur ] ).length;
5487						}
5488						if ( matchedSelectors[ sel ] ) {
5489							matchedHandlers.push( handleObj );
5490						}
5491					}
5492					if ( matchedHandlers.length ) {
5493						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5494					}
5495				}
5496			}
5497		}
5498
5499		// Add the remaining (directly-bound) handlers
5500		cur = this;
5501		if ( delegateCount < handlers.length ) {
5502			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5503		}
5504
5505		return handlerQueue;
5506	},
5507
5508	addProp: function( name, hook ) {
5509		Object.defineProperty( jQuery.Event.prototype, name, {
5510			enumerable: true,
5511			configurable: true,
5512
5513			get: isFunction( hook ) ?
5514				function() {
5515					if ( this.originalEvent ) {
5516						return hook( this.originalEvent );
5517					}
5518				} :
5519				function() {
5520					if ( this.originalEvent ) {
5521						return this.originalEvent[ name ];
5522					}
5523				},
5524
5525			set: function( value ) {
5526				Object.defineProperty( this, name, {
5527					enumerable: true,
5528					configurable: true,
5529					writable: true,
5530					value: value
5531				} );
5532			}
5533		} );
5534	},
5535
5536	fix: function( originalEvent ) {
5537		return originalEvent[ jQuery.expando ] ?
5538			originalEvent :
5539			new jQuery.Event( originalEvent );
5540	},
5541
5542	special: {
5543		load: {
5544
5545			// Prevent triggered image.load events from bubbling to window.load
5546			noBubble: true
5547		},
5548		click: {
5549
5550			// Utilize native event to ensure correct state for checkable inputs
5551			setup: function( data ) {
5552
5553				// For mutual compressibility with _default, replace `this` access with a local var.
5554				// `|| data` is dead code meant only to preserve the variable through minification.
5555				var el = this || data;
5556
5557				// Claim the first handler
5558				if ( rcheckableType.test( el.type ) &&
5559					el.click && nodeName( el, "input" ) ) {
5560
5561					// dataPriv.set( el, "click", ... )
5562					leverageNative( el, "click", returnTrue );
5563				}
5564
5565				// Return false to allow normal processing in the caller
5566				return false;
5567			},
5568			trigger: function( data ) {
5569
5570				// For mutual compressibility with _default, replace `this` access with a local var.
5571				// `|| data` is dead code meant only to preserve the variable through minification.
5572				var el = this || data;
5573
5574				// Force setup before triggering a click
5575				if ( rcheckableType.test( el.type ) &&
5576					el.click && nodeName( el, "input" ) ) {
5577
5578					leverageNative( el, "click" );
5579				}
5580
5581				// Return non-false to allow normal event-path propagation
5582				return true;
5583			},
5584
5585			// For cross-browser consistency, suppress native .click() on links
5586			// Also prevent it if we're currently inside a leveraged native-event stack
5587			_default: function( event ) {
5588				var target = event.target;
5589				return rcheckableType.test( target.type ) &&
5590					target.click && nodeName( target, "input" ) &&
5591					dataPriv.get( target, "click" ) ||
5592					nodeName( target, "a" );
5593			}
5594		},
5595
5596		beforeunload: {
5597			postDispatch: function( event ) {
5598
5599				// Support: Firefox 20+
5600				// Firefox doesn't alert if the returnValue field is not set.
5601				if ( event.result !== undefined && event.originalEvent ) {
5602					event.originalEvent.returnValue = event.result;
5603				}
5604			}
5605		}
5606	}
5607};
5608
5609// Ensure the presence of an event listener that handles manually-triggered
5610// synthetic events by interrupting progress until reinvoked in response to
5611// *native* events that it fires directly, ensuring that state changes have
5612// already occurred before other listeners are invoked.
5613function leverageNative( el, type, expectSync ) {
5614
5615	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5616	if ( !expectSync ) {
5617		if ( dataPriv.get( el, type ) === undefined ) {
5618			jQuery.event.add( el, type, returnTrue );
5619		}
5620		return;
5621	}
5622
5623	// Register the controller as a special universal handler for all event namespaces
5624	dataPriv.set( el, type, false );
5625	jQuery.event.add( el, type, {
5626		namespace: false,
5627		handler: function( event ) {
5628			var notAsync, result,
5629				saved = dataPriv.get( this, type );
5630
5631			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5632
5633				// Interrupt processing of the outer synthetic .trigger()ed event
5634				// Saved data should be false in such cases, but might be a leftover capture object
5635				// from an async native handler (gh-4350)
5636				if ( !saved.length ) {
5637
5638					// Store arguments for use when handling the inner native event
5639					// There will always be at least one argument (an event object), so this array
5640					// will not be confused with a leftover capture object.
5641					saved = slice.call( arguments );
5642					dataPriv.set( this, type, saved );
5643
5644					// Trigger the native event and capture its result
5645					// Support: IE <=9 - 11+
5646					// focus() and blur() are asynchronous
5647					notAsync = expectSync( this, type );
5648					this[ type ]();
5649					result = dataPriv.get( this, type );
5650					if ( saved !== result || notAsync ) {
5651						dataPriv.set( this, type, false );
5652					} else {
5653						result = {};
5654					}
5655					if ( saved !== result ) {
5656
5657						// Cancel the outer synthetic event
5658						event.stopImmediatePropagation();
5659						event.preventDefault();
5660
5661						// Support: Chrome 86+
5662						// In Chrome, if an element having a focusout handler is blurred by
5663						// clicking outside of it, it invokes the handler synchronously. If
5664						// that handler calls `.remove()` on the element, the data is cleared,
5665						// leaving `result` undefined. We need to guard against this.
5666						return result && result.value;
5667					}
5668
5669				// If this is an inner synthetic event for an event with a bubbling surrogate
5670				// (focus or blur), assume that the surrogate already propagated from triggering the
5671				// native event and prevent that from happening again here.
5672				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5673				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
5674				// less bad than duplication.
5675				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5676					event.stopPropagation();
5677				}
5678
5679			// If this is a native event triggered above, everything is now in order
5680			// Fire an inner synthetic event with the original arguments
5681			} else if ( saved.length ) {
5682
5683				// ...and capture the result
5684				dataPriv.set( this, type, {
5685					value: jQuery.event.trigger(
5686
5687						// Support: IE <=9 - 11+
5688						// Extend with the prototype to reset the above stopImmediatePropagation()
5689						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5690						saved.slice( 1 ),
5691						this
5692					)
5693				} );
5694
5695				// Abort handling of the native event
5696				event.stopImmediatePropagation();
5697			}
5698		}
5699	} );
5700}
5701
5702jQuery.removeEvent = function( elem, type, handle ) {
5703
5704	// This "if" is needed for plain objects
5705	if ( elem.removeEventListener ) {
5706		elem.removeEventListener( type, handle );
5707	}
5708};
5709
5710jQuery.Event = function( src, props ) {
5711
5712	// Allow instantiation without the 'new' keyword
5713	if ( !( this instanceof jQuery.Event ) ) {
5714		return new jQuery.Event( src, props );
5715	}
5716
5717	// Event object
5718	if ( src && src.type ) {
5719		this.originalEvent = src;
5720		this.type = src.type;
5721
5722		// Events bubbling up the document may have been marked as prevented
5723		// by a handler lower down the tree; reflect the correct value.
5724		this.isDefaultPrevented = src.defaultPrevented ||
5725				src.defaultPrevented === undefined &&
5726
5727				// Support: Android <=2.3 only
5728				src.returnValue === false ?
5729			returnTrue :
5730			returnFalse;
5731
5732		// Create target properties
5733		// Support: Safari <=6 - 7 only
5734		// Target should not be a text node (#504, #13143)
5735		this.target = ( src.target && src.target.nodeType === 3 ) ?
5736			src.target.parentNode :
5737			src.target;
5738
5739		this.currentTarget = src.currentTarget;
5740		this.relatedTarget = src.relatedTarget;
5741
5742	// Event type
5743	} else {
5744		this.type = src;
5745	}
5746
5747	// Put explicitly provided properties onto the event object
5748	if ( props ) {
5749		jQuery.extend( this, props );
5750	}
5751
5752	// Create a timestamp if incoming event doesn't have one
5753	this.timeStamp = src && src.timeStamp || Date.now();
5754
5755	// Mark it as fixed
5756	this[ jQuery.expando ] = true;
5757};
5758
5759// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5760// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5761jQuery.Event.prototype = {
5762	constructor: jQuery.Event,
5763	isDefaultPrevented: returnFalse,
5764	isPropagationStopped: returnFalse,
5765	isImmediatePropagationStopped: returnFalse,
5766	isSimulated: false,
5767
5768	preventDefault: function() {
5769		var e = this.originalEvent;
5770
5771		this.isDefaultPrevented = returnTrue;
5772
5773		if ( e && !this.isSimulated ) {
5774			e.preventDefault();
5775		}
5776	},
5777	stopPropagation: function() {
5778		var e = this.originalEvent;
5779
5780		this.isPropagationStopped = returnTrue;
5781
5782		if ( e && !this.isSimulated ) {
5783			e.stopPropagation();
5784		}
5785	},
5786	stopImmediatePropagation: function() {
5787		var e = this.originalEvent;
5788
5789		this.isImmediatePropagationStopped = returnTrue;
5790
5791		if ( e && !this.isSimulated ) {
5792			e.stopImmediatePropagation();
5793		}
5794
5795		this.stopPropagation();
5796	}
5797};
5798
5799// Includes all common event props including KeyEvent and MouseEvent specific props
5800jQuery.each( {
5801	altKey: true,
5802	bubbles: true,
5803	cancelable: true,
5804	changedTouches: true,
5805	ctrlKey: true,
5806	detail: true,
5807	eventPhase: true,
5808	metaKey: true,
5809	pageX: true,
5810	pageY: true,
5811	shiftKey: true,
5812	view: true,
5813	"char": true,
5814	code: true,
5815	charCode: true,
5816	key: true,
5817	keyCode: true,
5818	button: true,
5819	buttons: true,
5820	clientX: true,
5821	clientY: true,
5822	offsetX: true,
5823	offsetY: true,
5824	pointerId: true,
5825	pointerType: true,
5826	screenX: true,
5827	screenY: true,
5828	targetTouches: true,
5829	toElement: true,
5830	touches: true,
5831	which: true
5832}, jQuery.event.addProp );
5833
5834jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5835	jQuery.event.special[ type ] = {
5836
5837		// Utilize native event if possible so blur/focus sequence is correct
5838		setup: function() {
5839
5840			// Claim the first handler
5841			// dataPriv.set( this, "focus", ... )
5842			// dataPriv.set( this, "blur", ... )
5843			leverageNative( this, type, expectSync );
5844
5845			// Return false to allow normal processing in the caller
5846			return false;
5847		},
5848		trigger: function() {
5849
5850			// Force setup before trigger
5851			leverageNative( this, type );
5852
5853			// Return non-false to allow normal event-path propagation
5854			return true;
5855		},
5856
5857		// Suppress native focus or blur as it's already being fired
5858		// in leverageNative.
5859		_default: function() {
5860			return true;
5861		},
5862
5863		delegateType: delegateType
5864	};
5865} );
5866
5867// Create mouseenter/leave events using mouseover/out and event-time checks
5868// so that event delegation works in jQuery.
5869// Do the same for pointerenter/pointerleave and pointerover/pointerout
5870//
5871// Support: Safari 7 only
5872// Safari sends mouseenter too often; see:
5873// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5874// for the description of the bug (it existed in older Chrome versions as well).
5875jQuery.each( {
5876	mouseenter: "mouseover",
5877	mouseleave: "mouseout",
5878	pointerenter: "pointerover",
5879	pointerleave: "pointerout"
5880}, function( orig, fix ) {
5881	jQuery.event.special[ orig ] = {
5882		delegateType: fix,
5883		bindType: fix,
5884
5885		handle: function( event ) {
5886			var ret,
5887				target = this,
5888				related = event.relatedTarget,
5889				handleObj = event.handleObj;
5890
5891			// For mouseenter/leave call the handler if related is outside the target.
5892			// NB: No relatedTarget if the mouse left/entered the browser window
5893			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5894				event.type = handleObj.origType;
5895				ret = handleObj.handler.apply( this, arguments );
5896				event.type = fix;
5897			}
5898			return ret;
5899		}
5900	};
5901} );
5902
5903jQuery.fn.extend( {
5904
5905	on: function( types, selector, data, fn ) {
5906		return on( this, types, selector, data, fn );
5907	},
5908	one: function( types, selector, data, fn ) {
5909		return on( this, types, selector, data, fn, 1 );
5910	},
5911	off: function( types, selector, fn ) {
5912		var handleObj, type;
5913		if ( types && types.preventDefault && types.handleObj ) {
5914
5915			// ( event )  dispatched jQuery.Event
5916			handleObj = types.handleObj;
5917			jQuery( types.delegateTarget ).off(
5918				handleObj.namespace ?
5919					handleObj.origType + "." + handleObj.namespace :
5920					handleObj.origType,
5921				handleObj.selector,
5922				handleObj.handler
5923			);
5924			return this;
5925		}
5926		if ( typeof types === "object" ) {
5927
5928			// ( types-object [, selector] )
5929			for ( type in types ) {
5930				this.off( type, selector, types[ type ] );
5931			}
5932			return this;
5933		}
5934		if ( selector === false || typeof selector === "function" ) {
5935
5936			// ( types [, fn] )
5937			fn = selector;
5938			selector = undefined;
5939		}
5940		if ( fn === false ) {
5941			fn = returnFalse;
5942		}
5943		return this.each( function() {
5944			jQuery.event.remove( this, types, fn, selector );
5945		} );
5946	}
5947} );
5948
5949
5950var
5951
5952	// Support: IE <=10 - 11, Edge 12 - 13 only
5953	// In IE/Edge using regex groups here causes severe slowdowns.
5954	// See https://connect.microsoft.com/IE/feedback/details/1736512/
5955	rnoInnerhtml = /<script|<style|<link/i,
5956
5957	// checked="checked" or checked
5958	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5959	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5960
5961// Prefer a tbody over its parent table for containing new rows
5962function manipulationTarget( elem, content ) {
5963	if ( nodeName( elem, "table" ) &&
5964		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5965
5966		return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5967	}
5968
5969	return elem;
5970}
5971
5972// Replace/restore the type attribute of script elements for safe DOM manipulation
5973function disableScript( elem ) {
5974	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5975	return elem;
5976}
5977function restoreScript( elem ) {
5978	if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5979		elem.type = elem.type.slice( 5 );
5980	} else {
5981		elem.removeAttribute( "type" );
5982	}
5983
5984	return elem;
5985}
5986
5987function cloneCopyEvent( src, dest ) {
5988	var i, l, type, pdataOld, udataOld, udataCur, events;
5989
5990	if ( dest.nodeType !== 1 ) {
5991		return;
5992	}
5993
5994	// 1. Copy private data: events, handlers, etc.
5995	if ( dataPriv.hasData( src ) ) {
5996		pdataOld = dataPriv.get( src );
5997		events = pdataOld.events;
5998
5999		if ( events ) {
6000			dataPriv.remove( dest, "handle events" );
6001
6002			for ( type in events ) {
6003				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6004					jQuery.event.add( dest, type, events[ type ][ i ] );
6005				}
6006			}
6007		}
6008	}
6009
6010	// 2. Copy user data
6011	if ( dataUser.hasData( src ) ) {
6012		udataOld = dataUser.access( src );
6013		udataCur = jQuery.extend( {}, udataOld );
6014
6015		dataUser.set( dest, udataCur );
6016	}
6017}
6018
6019// Fix IE bugs, see support tests
6020function fixInput( src, dest ) {
6021	var nodeName = dest.nodeName.toLowerCase();
6022
6023	// Fails to persist the checked state of a cloned checkbox or radio button.
6024	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6025		dest.checked = src.checked;
6026
6027	// Fails to return the selected option to the default selected state when cloning options
6028	} else if ( nodeName === "input" || nodeName === "textarea" ) {
6029		dest.defaultValue = src.defaultValue;
6030	}
6031}
6032
6033function domManip( collection, args, callback, ignored ) {
6034
6035	// Flatten any nested arrays
6036	args = flat( args );
6037
6038	var fragment, first, scripts, hasScripts, node, doc,
6039		i = 0,
6040		l = collection.length,
6041		iNoClone = l - 1,
6042		value = args[ 0 ],
6043		valueIsFunction = isFunction( value );
6044
6045	// We can't cloneNode fragments that contain checked, in WebKit
6046	if ( valueIsFunction ||
6047			( l > 1 && typeof value === "string" &&
6048				!support.checkClone && rchecked.test( value ) ) ) {
6049		return collection.each( function( index ) {
6050			var self = collection.eq( index );
6051			if ( valueIsFunction ) {
6052				args[ 0 ] = value.call( this, index, self.html() );
6053			}
6054			domManip( self, args, callback, ignored );
6055		} );
6056	}
6057
6058	if ( l ) {
6059		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
6060		first = fragment.firstChild;
6061
6062		if ( fragment.childNodes.length === 1 ) {
6063			fragment = first;
6064		}
6065
6066		// Require either new content or an interest in ignored elements to invoke the callback
6067		if ( first || ignored ) {
6068			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6069			hasScripts = scripts.length;
6070
6071			// Use the original fragment for the last item
6072			// instead of the first because it can end up
6073			// being emptied incorrectly in certain situations (#8070).
6074			for ( ; i < l; i++ ) {
6075				node = fragment;
6076
6077				if ( i !== iNoClone ) {
6078					node = jQuery.clone( node, true, true );
6079
6080					// Keep references to cloned scripts for later restoration
6081					if ( hasScripts ) {
6082
6083						// Support: Android <=4.0 only, PhantomJS 1 only
6084						// push.apply(_, arraylike) throws on ancient WebKit
6085						jQuery.merge( scripts, getAll( node, "script" ) );
6086					}
6087				}
6088
6089				callback.call( collection[ i ], node, i );
6090			}
6091
6092			if ( hasScripts ) {
6093				doc = scripts[ scripts.length - 1 ].ownerDocument;
6094
6095				// Reenable scripts
6096				jQuery.map( scripts, restoreScript );
6097
6098				// Evaluate executable scripts on first document insertion
6099				for ( i = 0; i < hasScripts; i++ ) {
6100					node = scripts[ i ];
6101					if ( rscriptType.test( node.type || "" ) &&
6102						!dataPriv.access( node, "globalEval" ) &&
6103						jQuery.contains( doc, node ) ) {
6104
6105						if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
6106
6107							// Optional AJAX dependency, but won't run scripts if not present
6108							if ( jQuery._evalUrl && !node.noModule ) {
6109								jQuery._evalUrl( node.src, {
6110									nonce: node.nonce || node.getAttribute( "nonce" )
6111								}, doc );
6112							}
6113						} else {
6114							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
6115						}
6116					}
6117				}
6118			}
6119		}
6120	}
6121
6122	return collection;
6123}
6124
6125function remove( elem, selector, keepData ) {
6126	var node,
6127		nodes = selector ? jQuery.filter( selector, elem ) : elem,
6128		i = 0;
6129
6130	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
6131		if ( !keepData && node.nodeType === 1 ) {
6132			jQuery.cleanData( getAll( node ) );
6133		}
6134
6135		if ( node.parentNode ) {
6136			if ( keepData && isAttached( node ) ) {
6137				setGlobalEval( getAll( node, "script" ) );
6138			}
6139			node.parentNode.removeChild( node );
6140		}
6141	}
6142
6143	return elem;
6144}
6145
6146jQuery.extend( {
6147	htmlPrefilter: function( html ) {
6148		return html;
6149	},
6150
6151	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6152		var i, l, srcElements, destElements,
6153			clone = elem.cloneNode( true ),
6154			inPage = isAttached( elem );
6155
6156		// Fix IE cloning issues
6157		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
6158				!jQuery.isXMLDoc( elem ) ) {
6159
6160			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
6161			destElements = getAll( clone );
6162			srcElements = getAll( elem );
6163
6164			for ( i = 0, l = srcElements.length; i < l; i++ ) {
6165				fixInput( srcElements[ i ], destElements[ i ] );
6166			}
6167		}
6168
6169		// Copy the events from the original to the clone
6170		if ( dataAndEvents ) {
6171			if ( deepDataAndEvents ) {
6172				srcElements = srcElements || getAll( elem );
6173				destElements = destElements || getAll( clone );
6174
6175				for ( i = 0, l = srcElements.length; i < l; i++ ) {
6176					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6177				}
6178			} else {
6179				cloneCopyEvent( elem, clone );
6180			}
6181		}
6182
6183		// Preserve script evaluation history
6184		destElements = getAll( clone, "script" );
6185		if ( destElements.length > 0 ) {
6186			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6187		}
6188
6189		// Return the cloned set
6190		return clone;
6191	},
6192
6193	cleanData: function( elems ) {
6194		var data, elem, type,
6195			special = jQuery.event.special,
6196			i = 0;
6197
6198		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6199			if ( acceptData( elem ) ) {
6200				if ( ( data = elem[ dataPriv.expando ] ) ) {
6201					if ( data.events ) {
6202						for ( type in data.events ) {
6203							if ( special[ type ] ) {
6204								jQuery.event.remove( elem, type );
6205
6206							// This is a shortcut to avoid jQuery.event.remove's overhead
6207							} else {
6208								jQuery.removeEvent( elem, type, data.handle );
6209							}
6210						}
6211					}
6212
6213					// Support: Chrome <=35 - 45+
6214					// Assign undefined instead of using delete, see Data#remove
6215					elem[ dataPriv.expando ] = undefined;
6216				}
6217				if ( elem[ dataUser.expando ] ) {
6218
6219					// Support: Chrome <=35 - 45+
6220					// Assign undefined instead of using delete, see Data#remove
6221					elem[ dataUser.expando ] = undefined;
6222				}
6223			}
6224		}
6225	}
6226} );
6227
6228jQuery.fn.extend( {
6229	detach: function( selector ) {
6230		return remove( this, selector, true );
6231	},
6232
6233	remove: function( selector ) {
6234		return remove( this, selector );
6235	},
6236
6237	text: function( value ) {
6238		return access( this, function( value ) {
6239			return value === undefined ?
6240				jQuery.text( this ) :
6241				this.empty().each( function() {
6242					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6243						this.textContent = value;
6244					}
6245				} );
6246		}, null, value, arguments.length );
6247	},
6248
6249	append: function() {
6250		return domManip( this, arguments, function( elem ) {
6251			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6252				var target = manipulationTarget( this, elem );
6253				target.appendChild( elem );
6254			}
6255		} );
6256	},
6257
6258	prepend: function() {
6259		return domManip( this, arguments, function( elem ) {
6260			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6261				var target = manipulationTarget( this, elem );
6262				target.insertBefore( elem, target.firstChild );
6263			}
6264		} );
6265	},
6266
6267	before: function() {
6268		return domManip( this, arguments, function( elem ) {
6269			if ( this.parentNode ) {
6270				this.parentNode.insertBefore( elem, this );
6271			}
6272		} );
6273	},
6274
6275	after: function() {
6276		return domManip( this, arguments, function( elem ) {
6277			if ( this.parentNode ) {
6278				this.parentNode.insertBefore( elem, this.nextSibling );
6279			}
6280		} );
6281	},
6282
6283	empty: function() {
6284		var elem,
6285			i = 0;
6286
6287		for ( ; ( elem = this[ i ] ) != null; i++ ) {
6288			if ( elem.nodeType === 1 ) {
6289
6290				// Prevent memory leaks
6291				jQuery.cleanData( getAll( elem, false ) );
6292
6293				// Remove any remaining nodes
6294				elem.textContent = "";
6295			}
6296		}
6297
6298		return this;
6299	},
6300
6301	clone: function( dataAndEvents, deepDataAndEvents ) {
6302		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6303		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6304
6305		return this.map( function() {
6306			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6307		} );
6308	},
6309
6310	html: function( value ) {
6311		return access( this, function( value ) {
6312			var elem = this[ 0 ] || {},
6313				i = 0,
6314				l = this.length;
6315
6316			if ( value === undefined && elem.nodeType === 1 ) {
6317				return elem.innerHTML;
6318			}
6319
6320			// See if we can take a shortcut and just use innerHTML
6321			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6322				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6323
6324				value = jQuery.htmlPrefilter( value );
6325
6326				try {
6327					for ( ; i < l; i++ ) {
6328						elem = this[ i ] || {};
6329
6330						// Remove element nodes and prevent memory leaks
6331						if ( elem.nodeType === 1 ) {
6332							jQuery.cleanData( getAll( elem, false ) );
6333							elem.innerHTML = value;
6334						}
6335					}
6336
6337					elem = 0;
6338
6339				// If using innerHTML throws an exception, use the fallback method
6340				} catch ( e ) {}
6341			}
6342
6343			if ( elem ) {
6344				this.empty().append( value );
6345			}
6346		}, null, value, arguments.length );
6347	},
6348
6349	replaceWith: function() {
6350		var ignored = [];
6351
6352		// Make the changes, replacing each non-ignored context element with the new content
6353		return domManip( this, arguments, function( elem ) {
6354			var parent = this.parentNode;
6355
6356			if ( jQuery.inArray( this, ignored ) < 0 ) {
6357				jQuery.cleanData( getAll( this ) );
6358				if ( parent ) {
6359					parent.replaceChild( elem, this );
6360				}
6361			}
6362
6363		// Force callback invocation
6364		}, ignored );
6365	}
6366} );
6367
6368jQuery.each( {
6369	appendTo: "append",
6370	prependTo: "prepend",
6371	insertBefore: "before",
6372	insertAfter: "after",
6373	replaceAll: "replaceWith"
6374}, function( name, original ) {
6375	jQuery.fn[ name ] = function( selector ) {
6376		var elems,
6377			ret = [],
6378			insert = jQuery( selector ),
6379			last = insert.length - 1,
6380			i = 0;
6381
6382		for ( ; i <= last; i++ ) {
6383			elems = i === last ? this : this.clone( true );
6384			jQuery( insert[ i ] )[ original ]( elems );
6385
6386			// Support: Android <=4.0 only, PhantomJS 1 only
6387			// .get() because push.apply(_, arraylike) throws on ancient WebKit
6388			push.apply( ret, elems.get() );
6389		}
6390
6391		return this.pushStack( ret );
6392	};
6393} );
6394var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6395
6396var getStyles = function( elem ) {
6397
6398		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6399		// IE throws on elements created in popups
6400		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6401		var view = elem.ownerDocument.defaultView;
6402
6403		if ( !view || !view.opener ) {
6404			view = window;
6405		}
6406
6407		return view.getComputedStyle( elem );
6408	};
6409
6410var swap = function( elem, options, callback ) {
6411	var ret, name,
6412		old = {};
6413
6414	// Remember the old values, and insert the new ones
6415	for ( name in options ) {
6416		old[ name ] = elem.style[ name ];
6417		elem.style[ name ] = options[ name ];
6418	}
6419
6420	ret = callback.call( elem );
6421
6422	// Revert the old values
6423	for ( name in options ) {
6424		elem.style[ name ] = old[ name ];
6425	}
6426
6427	return ret;
6428};
6429
6430
6431var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6432
6433
6434
6435( function() {
6436
6437	// Executing both pixelPosition & boxSizingReliable tests require only one layout
6438	// so they're executed at the same time to save the second computation.
6439	function computeStyleTests() {
6440
6441		// This is a singleton, we need to execute it only once
6442		if ( !div ) {
6443			return;
6444		}
6445
6446		container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6447			"margin-top:1px;padding:0;border:0";
6448		div.style.cssText =
6449			"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6450			"margin:auto;border:1px;padding:1px;" +
6451			"width:60%;top:1%";
6452		documentElement.appendChild( container ).appendChild( div );
6453
6454		var divStyle = window.getComputedStyle( div );
6455		pixelPositionVal = divStyle.top !== "1%";
6456
6457		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6458		reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6459
6460		// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6461		// Some styles come back with percentage values, even though they shouldn't
6462		div.style.right = "60%";
6463		pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6464
6465		// Support: IE 9 - 11 only
6466		// Detect misreporting of content dimensions for box-sizing:border-box elements
6467		boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6468
6469		// Support: IE 9 only
6470		// Detect overflow:scroll screwiness (gh-3699)
6471		// Support: Chrome <=64
6472		// Don't get tricked when zoom affects offsetWidth (gh-4029)
6473		div.style.position = "absolute";
6474		scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6475
6476		documentElement.removeChild( container );
6477
6478		// Nullify the div so it wouldn't be stored in the memory and
6479		// it will also be a sign that checks already performed
6480		div = null;
6481	}
6482
6483	function roundPixelMeasures( measure ) {
6484		return Math.round( parseFloat( measure ) );
6485	}
6486
6487	var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6488		reliableTrDimensionsVal, reliableMarginLeftVal,
6489		container = document.createElement( "div" ),
6490		div = document.createElement( "div" );
6491
6492	// Finish early in limited (non-browser) environments
6493	if ( !div.style ) {
6494		return;
6495	}
6496
6497	// Support: IE <=9 - 11 only
6498	// Style of cloned element affects source element cloned (#8908)
6499	div.style.backgroundClip = "content-box";
6500	div.cloneNode( true ).style.backgroundClip = "";
6501	support.clearCloneStyle = div.style.backgroundClip === "content-box";
6502
6503	jQuery.extend( support, {
6504		boxSizingReliable: function() {
6505			computeStyleTests();
6506			return boxSizingReliableVal;
6507		},
6508		pixelBoxStyles: function() {
6509			computeStyleTests();
6510			return pixelBoxStylesVal;
6511		},
6512		pixelPosition: function() {
6513			computeStyleTests();
6514			return pixelPositionVal;
6515		},
6516		reliableMarginLeft: function() {
6517			computeStyleTests();
6518			return reliableMarginLeftVal;
6519		},
6520		scrollboxSize: function() {
6521			computeStyleTests();
6522			return scrollboxSizeVal;
6523		},
6524
6525		// Support: IE 9 - 11+, Edge 15 - 18+
6526		// IE/Edge misreport `getComputedStyle` of table rows with width/height
6527		// set in CSS while `offset*` properties report correct values.
6528		// Behavior in IE 9 is more subtle than in newer versions & it passes
6529		// some versions of this test; make sure not to make it pass there!
6530		//
6531		// Support: Firefox 70+
6532		// Only Firefox includes border widths
6533		// in computed dimensions. (gh-4529)
6534		reliableTrDimensions: function() {
6535			var table, tr, trChild, trStyle;
6536			if ( reliableTrDimensionsVal == null ) {
6537				table = document.createElement( "table" );
6538				tr = document.createElement( "tr" );
6539				trChild = document.createElement( "div" );
6540
6541				table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate";
6542				tr.style.cssText = "border:1px solid";
6543
6544				// Support: Chrome 86+
6545				// Height set through cssText does not get applied.
6546				// Computed height then comes back as 0.
6547				tr.style.height = "1px";
6548				trChild.style.height = "9px";
6549
6550				// Support: Android 8 Chrome 86+
6551				// In our bodyBackground.html iframe,
6552				// display for all div elements is set to "inline",
6553				// which causes a problem only in Android 8 Chrome 86.
6554				// Ensuring the div is display: block
6555				// gets around this issue.
6556				trChild.style.display = "block";
6557
6558				documentElement
6559					.appendChild( table )
6560					.appendChild( tr )
6561					.appendChild( trChild );
6562
6563				trStyle = window.getComputedStyle( tr );
6564				reliableTrDimensionsVal = ( parseInt( trStyle.height, 10 ) +
6565					parseInt( trStyle.borderTopWidth, 10 ) +
6566					parseInt( trStyle.borderBottomWidth, 10 ) ) === tr.offsetHeight;
6567
6568				documentElement.removeChild( table );
6569			}
6570			return reliableTrDimensionsVal;
6571		}
6572	} );
6573} )();
6574
6575
6576function curCSS( elem, name, computed ) {
6577	var width, minWidth, maxWidth, ret,
6578
6579		// Support: Firefox 51+
6580		// Retrieving style before computed somehow
6581		// fixes an issue with getting wrong values
6582		// on detached elements
6583		style = elem.style;
6584
6585	computed = computed || getStyles( elem );
6586
6587	// getPropertyValue is needed for:
6588	//   .css('filter') (IE 9 only, #12537)
6589	//   .css('--customProperty) (#3144)
6590	if ( computed ) {
6591		ret = computed.getPropertyValue( name ) || computed[ name ];
6592
6593		if ( ret === "" && !isAttached( elem ) ) {
6594			ret = jQuery.style( elem, name );
6595		}
6596
6597		// A tribute to the "awesome hack by Dean Edwards"
6598		// Android Browser returns percentage for some values,
6599		// but width seems to be reliably pixels.
6600		// This is against the CSSOM draft spec:
6601		// https://drafts.csswg.org/cssom/#resolved-values
6602		if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6603
6604			// Remember the original values
6605			width = style.width;
6606			minWidth = style.minWidth;
6607			maxWidth = style.maxWidth;
6608
6609			// Put in the new values to get a computed value out
6610			style.minWidth = style.maxWidth = style.width = ret;
6611			ret = computed.width;
6612
6613			// Revert the changed values
6614			style.width = width;
6615			style.minWidth = minWidth;
6616			style.maxWidth = maxWidth;
6617		}
6618	}
6619
6620	return ret !== undefined ?
6621
6622		// Support: IE <=9 - 11 only
6623		// IE returns zIndex value as an integer.
6624		ret + "" :
6625		ret;
6626}
6627
6628
6629function addGetHookIf( conditionFn, hookFn ) {
6630
6631	// Define the hook, we'll check on the first run if it's really needed.
6632	return {
6633		get: function() {
6634			if ( conditionFn() ) {
6635
6636				// Hook not needed (or it's not possible to use it due
6637				// to missing dependency), remove it.
6638				delete this.get;
6639				return;
6640			}
6641
6642			// Hook needed; redefine it so that the support test is not executed again.
6643			return ( this.get = hookFn ).apply( this, arguments );
6644		}
6645	};
6646}
6647
6648
6649var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6650	emptyStyle = document.createElement( "div" ).style,
6651	vendorProps = {};
6652
6653// Return a vendor-prefixed property or undefined
6654function vendorPropName( name ) {
6655
6656	// Check for vendor prefixed names
6657	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6658		i = cssPrefixes.length;
6659
6660	while ( i-- ) {
6661		name = cssPrefixes[ i ] + capName;
6662		if ( name in emptyStyle ) {
6663			return name;
6664		}
6665	}
6666}
6667
6668// Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6669function finalPropName( name ) {
6670	var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6671
6672	if ( final ) {
6673		return final;
6674	}
6675	if ( name in emptyStyle ) {
6676		return name;
6677	}
6678	return vendorProps[ name ] = vendorPropName( name ) || name;
6679}
6680
6681
6682var
6683
6684	// Swappable if display is none or starts with table
6685	// except "table", "table-cell", or "table-caption"
6686	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6687	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6688	rcustomProp = /^--/,
6689	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6690	cssNormalTransform = {
6691		letterSpacing: "0",
6692		fontWeight: "400"
6693	};
6694
6695function setPositiveNumber( _elem, value, subtract ) {
6696
6697	// Any relative (+/-) values have already been
6698	// normalized at this point
6699	var matches = rcssNum.exec( value );
6700	return matches ?
6701
6702		// Guard against undefined "subtract", e.g., when used as in cssHooks
6703		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6704		value;
6705}
6706
6707function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6708	var i = dimension === "width" ? 1 : 0,
6709		extra = 0,
6710		delta = 0;
6711
6712	// Adjustment may not be necessary
6713	if ( box === ( isBorderBox ? "border" : "content" ) ) {
6714		return 0;
6715	}
6716
6717	for ( ; i < 4; i += 2 ) {
6718
6719		// Both box models exclude margin
6720		if ( box === "margin" ) {
6721			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6722		}
6723
6724		// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6725		if ( !isBorderBox ) {
6726
6727			// Add padding
6728			delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6729
6730			// For "border" or "margin", add border
6731			if ( box !== "padding" ) {
6732				delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6733
6734			// But still keep track of it otherwise
6735			} else {
6736				extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6737			}
6738
6739		// If we get here with a border-box (content + padding + border), we're seeking "content" or
6740		// "padding" or "margin"
6741		} else {
6742
6743			// For "content", subtract padding
6744			if ( box === "content" ) {
6745				delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6746			}
6747
6748			// For "content" or "padding", subtract border
6749			if ( box !== "margin" ) {
6750				delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6751			}
6752		}
6753	}
6754
6755	// Account for positive content-box scroll gutter when requested by providing computedVal
6756	if ( !isBorderBox && computedVal >= 0 ) {
6757
6758		// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6759		// Assuming integer scroll gutter, subtract the rest and round down
6760		delta += Math.max( 0, Math.ceil(
6761			elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6762			computedVal -
6763			delta -
6764			extra -
6765			0.5
6766
6767		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6768		// Use an explicit zero to avoid NaN (gh-3964)
6769		) ) || 0;
6770	}
6771
6772	return delta;
6773}
6774
6775function getWidthOrHeight( elem, dimension, extra ) {
6776
6777	// Start with computed style
6778	var styles = getStyles( elem ),
6779
6780		// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6781		// Fake content-box until we know it's needed to know the true value.
6782		boxSizingNeeded = !support.boxSizingReliable() || extra,
6783		isBorderBox = boxSizingNeeded &&
6784			jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6785		valueIsBorderBox = isBorderBox,
6786
6787		val = curCSS( elem, dimension, styles ),
6788		offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6789
6790	// Support: Firefox <=54
6791	// Return a confounding non-pixel value or feign ignorance, as appropriate.
6792	if ( rnumnonpx.test( val ) ) {
6793		if ( !extra ) {
6794			return val;
6795		}
6796		val = "auto";
6797	}
6798
6799
6800	// Support: IE 9 - 11 only
6801	// Use offsetWidth/offsetHeight for when box sizing is unreliable.
6802	// In those cases, the computed value can be trusted to be border-box.
6803	if ( ( !support.boxSizingReliable() && isBorderBox ||
6804
6805		// Support: IE 10 - 11+, Edge 15 - 18+
6806		// IE/Edge misreport `getComputedStyle` of table rows with width/height
6807		// set in CSS while `offset*` properties report correct values.
6808		// Interestingly, in some cases IE 9 doesn't suffer from this issue.
6809		!support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
6810
6811		// Fall back to offsetWidth/offsetHeight when value is "auto"
6812		// This happens for inline elements with no explicit setting (gh-3571)
6813		val === "auto" ||
6814
6815		// Support: Android <=4.1 - 4.3 only
6816		// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6817		!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6818
6819		// Make sure the element is visible & connected
6820		elem.getClientRects().length ) {
6821
6822		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6823
6824		// Where available, offsetWidth/offsetHeight approximate border box dimensions.
6825		// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6826		// retrieved value as a content box dimension.
6827		valueIsBorderBox = offsetProp in elem;
6828		if ( valueIsBorderBox ) {
6829			val = elem[ offsetProp ];
6830		}
6831	}
6832
6833	// Normalize "" and auto
6834	val = parseFloat( val ) || 0;
6835
6836	// Adjust for the element's box model
6837	return ( val +
6838		boxModelAdjustment(
6839			elem,
6840			dimension,
6841			extra || ( isBorderBox ? "border" : "content" ),
6842			valueIsBorderBox,
6843			styles,
6844
6845			// Provide the current computed size to request scroll gutter calculation (gh-3589)
6846			val
6847		)
6848	) + "px";
6849}
6850
6851jQuery.extend( {
6852
6853	// Add in style property hooks for overriding the default
6854	// behavior of getting and setting a style property
6855	cssHooks: {
6856		opacity: {
6857			get: function( elem, computed ) {
6858				if ( computed ) {
6859
6860					// We should always get a number back from opacity
6861					var ret = curCSS( elem, "opacity" );
6862					return ret === "" ? "1" : ret;
6863				}
6864			}
6865		}
6866	},
6867
6868	// Don't automatically add "px" to these possibly-unitless properties
6869	cssNumber: {
6870		"animationIterationCount": true,
6871		"columnCount": true,
6872		"fillOpacity": true,
6873		"flexGrow": true,
6874		"flexShrink": true,
6875		"fontWeight": true,
6876		"gridArea": true,
6877		"gridColumn": true,
6878		"gridColumnEnd": true,
6879		"gridColumnStart": true,
6880		"gridRow": true,
6881		"gridRowEnd": true,
6882		"gridRowStart": true,
6883		"lineHeight": true,
6884		"opacity": true,
6885		"order": true,
6886		"orphans": true,
6887		"widows": true,
6888		"zIndex": true,
6889		"zoom": true
6890	},
6891
6892	// Add in properties whose names you wish to fix before
6893	// setting or getting the value
6894	cssProps: {},
6895
6896	// Get and set the style property on a DOM Node
6897	style: function( elem, name, value, extra ) {
6898
6899		// Don't set styles on text and comment nodes
6900		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6901			return;
6902		}
6903
6904		// Make sure that we're working with the right name
6905		var ret, type, hooks,
6906			origName = camelCase( name ),
6907			isCustomProp = rcustomProp.test( name ),
6908			style = elem.style;
6909
6910		// Make sure that we're working with the right name. We don't
6911		// want to query the value if it is a CSS custom property
6912		// since they are user-defined.
6913		if ( !isCustomProp ) {
6914			name = finalPropName( origName );
6915		}
6916
6917		// Gets hook for the prefixed version, then unprefixed version
6918		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6919
6920		// Check if we're setting a value
6921		if ( value !== undefined ) {
6922			type = typeof value;
6923
6924			// Convert "+=" or "-=" to relative numbers (#7345)
6925			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6926				value = adjustCSS( elem, name, ret );
6927
6928				// Fixes bug #9237
6929				type = "number";
6930			}
6931
6932			// Make sure that null and NaN values aren't set (#7116)
6933			if ( value == null || value !== value ) {
6934				return;
6935			}
6936
6937			// If a number was passed in, add the unit (except for certain CSS properties)
6938			// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6939			// "px" to a few hardcoded values.
6940			if ( type === "number" && !isCustomProp ) {
6941				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6942			}
6943
6944			// background-* props affect original clone's values
6945			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6946				style[ name ] = "inherit";
6947			}
6948
6949			// If a hook was provided, use that value, otherwise just set the specified value