https://hemevez.fr/design/js/browserdetect.js

1// Browser Detect Lite  v2.1.4
2// http://www.dithered.com/javascript/browser_detect/index.html
3// modified by Chris Nott ([email protected] - remove NOSPAM)
4
5
6function BrowserDetectLite() {
7   var ua = navigator.userAgent.toLowerCase(); 
8
9   // browser name
10   this.isGecko     = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
11   this.isMozilla   = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
12   this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
13   this.isIE        = ( (ua.indexOf('msie') != -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) ); 
14   this.isSafari    = (ua.indexOf('safari') != - 1);
15   this.isOpera     = (ua.indexOf('opera') != -1); 
16   this.isKonqueror = (ua.indexOf('konqueror') != -1 && !this.isSafari); 
17   this.isIcab      = (ua.indexOf('icab') != -1); 
18   this.isAol       = (ua.indexOf('aol') != -1); 
19   
20   // spoofing and compatible browsers
21   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
22   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
23   
24   // browser version
25   this.versionMinor = parseFloat(navigator.appVersion); 
26   
27   // correct version number
28   if (this.isNS && this.isGecko) {
29      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
30   }
31   else if (this.isIE && this.versionMinor >= 4) {
32      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
33   }
34   else if (this.isMozilla) {
35      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
36   }
37   else if (this.isSafari) {
38      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
39   }
40   else if (this.isOpera) {
41      if (ua.indexOf('opera/') != -1) {
42         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
43      }
44      else {
45         this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );
46      }
47   }
48   else if (this.isKonqueror) {
49      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
50   }
51   else if (this.isIcab) {
52      if (ua.indexOf('icab/') != -1) {
53         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );
54      }
55      else {
56         this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );
57      }
58   }
59   
60   this.versionMajor = parseInt(this.versionMinor); 
61   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
62   
63   // dom support
64   this.isDOM1 = (document.getElementById);
65   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
66   
67   // css compatibility mode
68   this.mode = document.compatMode ? document.compatMode : 'BackCompat';
69
70   // platform
71   this.isWin   = (ua.indexOf('win') != -1);
72   this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
73   this.isMac   = (ua.indexOf('mac') != -1);
74   this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
75   this.isLinux = (ua.indexOf('linux') != -1);
76   
77   // specific browser shortcuts
78   this.isNS4x = (this.isNS && this.versionMajor == 4);
79   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
80   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
81   this.isNS4up = (this.isNS && this.versionMinor >= 4);
82   this.isNS6x = (this.isNS && this.versionMajor == 6);
83   this.isNS6up = (this.isNS && this.versionMajor >= 6);
84   this.isNS7x = (this.isNS && this.versionMajor == 7);
85   this.isNS7up = (this.isNS && this.versionMajor >= 7);
86   
87   this.isIE4x = (this.isIE && this.versionMajor == 4);
88   this.isIE4up = (this.isIE && this.versionMajor >= 4);
89   this.isIE5x = (this.isIE && this.versionMajor == 5);
90   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
91   this.isIE5up = (this.isIE && this.versionMajor >= 5);
92   this.isIE6x = (this.isIE && this.versionMajor == 6);
93   this.isIE6up = (this.isIE && this.versionMajor >= 6);
94   
95   this.isIE4xMac = (this.isIE4x && this.isMac);
96}
97var browser = new BrowserDetectLite();