https://www.africanmeccasafaris.com/wp-content/plugins/wp-lefooter/js/lefooter.js

1// Utility
2if ( typeof Object.create !== 'function' ) {
3	Object.create = function( obj ) {
4		function F() {};
5		F.prototype = obj;
6		return new F();
7	};
8}
9
10(function( $, window, document, undefined ) {
11
12	var leFooter = {
13		init: function( options, elem ) {
14			var self = this;
15
16			self.elem = elem;
17			self.$elem = $( elem );
18			self.cHeight = self.$elem.find('#leFooter-content').find('#leFooter-inner').height();
19			self.cHeight += 40;
20
21			self.options = $.extend( {}, $.fn.jleFooter.options, options );
22
23			self.display(); 
24			self.open();
25			self.resize();
26		},
27		display: function(){
28			var self = this;
29			self.$elem.css({ 'bottom' : -self.cHeight + 'px', 'visibility' : 'visible' });
30		},
31		open: function(){
32			var self = this;
33			$(document).on('click touchstart','.le-opener, .leFooter-overlay-opened',function(e){
34			// self.$elem.find('.le-opener, .leFooter-overlay-opened').on('click',function(){
35				if(self.$elem.hasClass('opened')){
36					self.$elem.animate({'bottom': -self.cHeight + 'px'},self.options.animSpeed);
37					self.$elem.removeClass('opened');
38					$('.leFooter-overlay').removeClass('leFooter-overlay-opened');
39				}else{
40					self.$elem.animate(
41							{'bottom':0},
42							self.options.animSpeed,
43							self.options.easing
44					);
45					self.$elem.addClass('opened');
46					$('.leFooter-overlay').addClass('leFooter-overlay-opened');
47				}
48				e.preventDefault();
49				e.stopPropagation();
50			});
51		},
52		resize: function(){
53			var self = this;
54			window.addEventListener("resize", function() {
55				self.cHeight = self.$elem.find('#leFooter-content').find('#leFooter-inner').height();
56				self.cHeight += 40;
57
58				self.$elem.animate({'bottom': -self.cHeight + 'px'},100);
59				self.$elem.removeClass('opened');
60				$('.leFooter-overlay').removeClass('leFooter-overlay-opened');
61				// console.log(self.cHeight);
62			}, false);
63		},
64	};
65
66	$.fn.jleFooter = function( options ) {
67		return this.each(function() {
68			var lefooter = Object.create( leFooter );
69			
70			lefooter.init( options, this );
71
72			$.data( this, 'jleFooter', lefooter );
73		});
74	};
75
76	$.fn.jleFooter.options = {
77		easing : "easeOutQuad",
78		animSpeed : 350
79	};
80
81})( jQuery, window, document );