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jonhenshaw on 08/01/06


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Browser Detect Lite v2.1

Published in: JavaScript 

URL: http://bigi.co.il/libs/common/browserdetect_lite

Browser Detect Lite v2.1 http://www.dithered.com/javascript/browser_detect/index.html modified by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)

modified by Michael Lovitt to include OmniWeb and Dreamcast

Plain TextExpand 
  1. // Browser Detect Lite  v2.1
  2. // http://www.dithered.com/javascript/browser_detect/index.html
  3. // modified by Chris Nott (chris@NOSPAMdithered.com - remove NOSPAM)
  4. //
  5. // modified by Michael Lovitt to include OmniWeb and Dreamcast
  6.  
  7. function BrowserDetectLite() {
  8. 	var ua = navigator.userAgent.toLowerCase(); 
  9. 	this.ua = ua;
  10.  
  11. 	// browser name
  12. 	this.isGecko     = (ua.indexOf('gecko') != -1);
  13. 	this.isMozilla   = (this.isGecko && ua.indexOf("gecko/") + 14 == ua.length);
  14. 	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) ) );
  15. 	this.isIE        = ( (ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1) ); 
  16. 	this.isOpera     = (ua.indexOf("opera") != -1); 
  17. 	this.isKonqueror = (ua.indexOf("konqueror") != -1); 
  18. 	this.isIcab      = (ua.indexOf("icab") != -1); 
  19.  
  20. 	this.isAol       = (ua.indexOf("aol") != -1); 
  21. 	this.isWebtv     = (ua.indexOf("webtv") != -1); 
  22. 	this.isOmniweb   = (ua.indexOf("omniweb") != -1);
  23. 	this.isDreamcast   = (ua.indexOf("dreamcast") != -1);
  24.  
  25. 	// spoofing and compatible browsers
  26. 	this.isIECompatible = ( (ua.indexOf("msie") != -1) && !this.isIE);
  27. 	this.isNSCompatible = ( (ua.indexOf("mozilla") != -1) && !this.isNS && !this.isMozilla);
  28.  
  29. 	// browser version
  30. 	this.versionMinor = parseFloat(navigator.appVersion); 
  31.  
  32. 	// correct version number for NS6+ 
  33. 	if (this.isNS && this.isGecko) {
  34. 		this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );
  35. 	}
  36.  
  37. 	// correct version number for IE4+ 
  38. 	else if (this.isIE && this.versionMinor >= 4) {
  39. 		this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
  40. 	}
  41.  
  42. 	// correct version number for Opera 
  43. 	else if (this.isOpera) {
  44. 		if (ua.indexOf('opera/') != -1) {
  45. 			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );
  46. 		}
  47. 		else {
  48. 			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );
  49. 		}
  50. 	}
  51.  
  52. 	// correct version number for Konqueror
  53. 	else if (this.isKonqueror) {
  54. 		this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
  55. 	}
  56.  
  57. 	// correct version number for iCab 
  58. 	else if (this.isIcab) {
  59. 		if (ua.indexOf('icab/') != -1) {
  60. 			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );
  61. 		}
  62. 		else {
  63. 			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );
  64. 		}
  65. 	}
  66.  
  67. 	// correct version number for WebTV
  68. 	else if (this.isWebtv) {
  69. 		this.versionMinor = parseFloat( ua.substring( ua.indexOf('webtv/') + 6 ) );
  70. 	}
  71.  
  72. 	this.versionMajor = parseInt(this.versionMinor); 
  73. 	this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
  74.  
  75. 	// platform
  76. 	this.isWin   = (ua.indexOf('win') != -1);
  77. 	this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1) );
  78. 	this.isMac   = (ua.indexOf('mac') != -1);
  79. 	this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('linux') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
  80.  
  81. 	// specific browser shortcuts
  82. 	this.isNS4x = (this.isNS && this.versionMajor == 4);
  83. 	this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
  84. 	this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
  85. 	this.isNS4up = (this.isNS && this.versionMinor >= 4);
  86. 	this.isNS6x = (this.isNS && this.versionMajor == 6);
  87. 	this.isNS6up = (this.isNS && this.versionMajor >= 6);
  88.  
  89. 	this.isIE4x = (this.isIE && this.versionMajor == 4);
  90. 	this.isIE4up = (this.isIE && this.versionMajor >= 4);
  91. 	this.isIE5x = (this.isIE && this.versionMajor == 5);
  92. 	this.isIE55 = (this.isIE && this.versionMinor == 5.5);
  93. 	this.isIE5up = (this.isIE && this.versionMajor >= 5);
  94. 	this.isIE6x = (this.isIE && this.versionMajor == 6);
  95. 	this.isIE6up = (this.isIE && this.versionMajor >= 6);
  96.  
  97. 	this.isIE4xMac = (this.isIE4x && this.isMac);
  98. }
  99. var browser = new BrowserDetectLite();

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