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/js/ -> browserSniffer.js (source)

   1  <!--
   2  // Ultimate client-side JavaScript client sniff. Version 3.03
   3  // (C) Netscape Communications 1999-2001.  Permission granted to reuse and distribute.
   4  // Revised 17 May 99 to add is_nav5up and is_ie5up (see below).
   5  // Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up
   6  //                      also added support for IE5.5 Opera4&5 HotJava3 AOLTV
   7  // Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, 
   8  //                      correct Opera 5 detection
   9  //                      add support for winME and win2k
  10  //                      synch with browser-type-oo.js
  11  // Revised 26 Mar 01 to correct Opera detection
  12  // Revised 02 Oct 01 to add IE6 detection
  13  
  14  // Everything you always wanted to know about your JavaScript client
  15  // but were afraid to ask. Creates "is_" variables indicating:
  16  // (1) browser vendor:
  17  //     is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV
  18  // (2) browser version number:
  19  //     is_major (integer indicating major version number: 2, 3, 4 ...)
  20  //     is_minor (float   indicating full  version number: 2.02, 3.01, 4.04 ...)
  21  // (3) browser vendor AND major version number
  22  //     is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3,
  23  //     is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up,
  24  //     is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up
  25  // (4) JavaScript version number:
  26  //     is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
  27  // (5) OS platform and version:
  28  //     is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k
  29  //     is_os2
  30  //     is_mac, is_mac68k, is_macppc
  31  //     is_unix
  32  //     is_sun, is_sun4, is_sun5, is_suni86
  33  //     is_irix, is_irix5, is_irix6
  34  //     is_hpux, is_hpux9, is_hpux10
  35  //     is_aix, is_aix1, is_aix2, is_aix3, is_aix4
  36  //     is_linux, is_sco, is_unixware, is_mpras, is_reliant
  37  //     is_dec, is_sinix, is_freebsd, is_bsd
  38  //     is_vms
  39  //
  40  // See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and
  41  // http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html
  42  // for detailed lists of userAgent strings.
  43  //
  44  // Note: you don't want your Nav4 or IE4 code to "turn off" or
  45  // stop working when new versions of browsers are released, so
  46  // in conditional code forks, use is_ie5up ("IE 5.0 or greater") 
  47  // is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5
  48  // to check version in code which you want to work on future
  49  // versions.
  50  
  51  // convert all characters to lowercase to simplify testing
  52  var agt = navigator.userAgent.toLowerCase();
  53  
  54  // *** BROWSER VERSION ***
  55  // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
  56  var is_major = parseInt(navigator.appVersion);
  57  var is_minor = parseFloat(navigator.appVersion);
  58  
  59  // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
  60  // If you want to allow spoofing, take out the tests for opera and webtv.
  61  var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
  62              && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
  63              && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
  64  var is_nav2 = (is_nav && (is_major == 2));
  65  var is_nav3 = (is_nav && (is_major == 3));
  66  var is_nav4 = (is_nav && (is_major == 4));
  67  var is_nav4up = (is_nav && (is_major >= 4));
  68  var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) ||
  69                   (agt.indexOf("; nav") != -1)) );
  70  var is_nav6 = (is_nav && (is_major == 5));
  71  var is_nav6up = (is_nav && (is_major >= 5));
  72  var is_gecko = (agt.indexOf('gecko') != -1);
  73  
  74  
  75  var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
  76  var is_ie3    = (is_ie && (is_major < 4));
  77  var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1));
  78  var is_ie4up  = (is_ie && (is_major >= 4));
  79  var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1));
  80  var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5")!=-1));
  81  var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
  82  var is_ie5_5up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5);
  83  var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1));
  84  var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
  85  
  86  // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
  87  // or if this is the first browser window opened.  Thus the
  88  // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.
  89  var is_aol  = (agt.indexOf("aol") != -1);
  90  var is_aol3 = (is_aol && is_ie3);
  91  var is_aol4 = (is_aol && is_ie4);
  92  var is_aol5 = (agt.indexOf("aol 5") != -1);
  93  var is_aol6 = (agt.indexOf("aol 6") != -1);
  94  
  95  var is_opera = (agt.indexOf("opera") != -1);
  96  var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
  97  var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
  98  var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
  99  var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
 100  var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
 101  
 102  var is_webtv = (agt.indexOf("webtv") != -1); 
 103  
 104  var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
 105  var is_AOLTV = is_TVNavigator;
 106  
 107  var is_hotjava = (agt.indexOf("hotjava") != -1);
 108  var is_hotjava3 = (is_hotjava && (is_major == 3));
 109  var is_hotjava3up = (is_hotjava && (is_major >= 3));
 110  
 111  // *** JAVASCRIPT VERSION CHECK ***
 112  var is_js;
 113  if (is_nav2 || is_ie3) is_js = 1.0;
 114  else if (is_nav3) is_js = 1.1;
 115  else if (is_opera5up) is_js = 1.3;
 116  else if (is_opera) is_js = 1.1;
 117  else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2;
 118  else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3;
 119  else if (is_hotjava3up) is_js = 1.4;
 120  else if (is_nav6 || is_gecko) is_js = 1.5;
 121  // NOTE: In the future, update this code when newer versions of JS
 122  // are released. For now, we try to provide some upward compatibility
 123  // so that future versions of Nav and IE will show they are at
 124  // *least* JS 1.x capable. Always check for JS version compatibility
 125  // with > or >=.
 126  else if (is_nav6up) is_js = 1.5;
 127  // NOTE: ie5up on mac is 1.4
 128  else if (is_ie5up) is_js = 1.3
 129  
 130  // HACK: no idea for other browsers; always check for JS version with > or >=
 131  else is_js = 0.0;
 132  
 133  // *** PLATFORM ***
 134  var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
 135  // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
 136  //        Win32, so you can't distinguish between Win95 and WinNT.
 137  var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));
 138  
 139  // is this a 16 bit compiled version?
 140  var is_win16 = ((agt.indexOf("win16")!=-1) || 
 141             (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || 
 142             (agt.indexOf("windows 16-bit")!=-1) );  
 143  
 144  var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
 145                  (agt.indexOf("windows 16-bit")!=-1));
 146  
 147  var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));
 148  var is_win2k = ((agt.indexOf("windows nt 5.0")!=-1));
 149  
 150  // NOTE: Reliable detection of Win98 may not be possible. It appears that:
 151  //       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
 152  //       - On Mercury client, the 32-bit version will return "Win98", but
 153  //         the 16-bit version running on Win98 will still return "Win95".
 154  var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
 155  var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
 156  var is_win32 = (is_win95 || is_winnt || is_win98 || 
 157                  ((is_major >= 4) && (navigator.platform == "Win32")) ||
 158                  (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));
 159  
 160  var is_os2   = ((agt.indexOf("os/2")!=-1) || 
 161                  (navigator.appVersion.indexOf("OS/2")!=-1) ||   
 162                  (agt.indexOf("ibm-webexplorer")!=-1));
 163  
 164  var is_mac    = (agt.indexOf("mac")!=-1);
 165  // hack ie5 js version for mac
 166  if (is_mac && is_ie5up) is_js = 1.4;
 167  var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || 
 168                             (agt.indexOf("68000")!=-1)));
 169  var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 
 170                              (agt.indexOf("powerpc")!=-1)));
 171  
 172  var is_sun   = (agt.indexOf("sunos")!=-1);
 173  var is_sun4  = (agt.indexOf("sunos 4")!=-1);
 174  var is_sun5  = (agt.indexOf("sunos 5")!=-1);
 175  var is_suni86= (is_sun && (agt.indexOf("i86")!=-1));
 176  var is_irix  = (agt.indexOf("irix") !=-1);    // SGI
 177  var is_irix5 = (agt.indexOf("irix 5") !=-1);
 178  var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
 179  var is_hpux  = (agt.indexOf("hp-ux")!=-1);
 180  var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1));
 181  var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1));
 182  var is_aix   = (agt.indexOf("aix") !=-1);      // IBM
 183  var is_aix1  = (agt.indexOf("aix 1") !=-1);    
 184  var is_aix2  = (agt.indexOf("aix 2") !=-1);    
 185  var is_aix3  = (agt.indexOf("aix 3") !=-1);    
 186  var is_aix4  = (agt.indexOf("aix 4") !=-1);    
 187  var is_linux = (agt.indexOf("inux")!=-1);
 188  var is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
 189  var is_unixware = (agt.indexOf("unix_system_v")!=-1); 
 190  var is_mpras    = (agt.indexOf("ncr")!=-1); 
 191  var is_reliant  = (agt.indexOf("reliantunix")!=-1);
 192  var is_dec   = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || 
 193         (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || 
 194         (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); 
 195  var is_sinix = (agt.indexOf("sinix")!=-1);
 196  var is_freebsd = (agt.indexOf("freebsd")!=-1);
 197  var is_bsd = (agt.indexOf("bsd")!=-1);
 198  var is_unix  = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || 
 199               is_sco ||is_unixware || is_mpras || is_reliant || 
 200               is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);
 201  
 202  var is_vms   = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));
 203  
 204  //-->


Generated: Wed Dec 19 21:21:33 2007 Cross-referenced by PHPXref 0.7