[Summary view] [Print] [Text view]

   1  /**
   2   * This script provides a function which is run to evaluate whether or not to
   3   * continue loading jQuery and the MediaWiki modules. This code should work on
   4   * even the most ancient of browsers, so be very careful when editing.
   5   */
   6  
   7  var mediaWikiLoadStart = ( new Date() ).getTime();
   8  
   9  /**
  10   * Returns false for Grade C supported browsers.
  11   *
  12   * This function should only be used by the Startup module, do not expand it to
  13   * be generally useful beyond startup.
  14   *
  15   * See also:
  16   * - https://www.mediawiki.org/wiki/Compatibility#Browsers
  17   * - https://jquery.com/browser-support/
  18   */
  19  
  20  /*jshint unused: false */
  21  function isCompatible( ua ) {
  22      if ( ua === undefined ) {
  23          ua = navigator.userAgent;
  24      }
  25  
  26      // Browsers with outdated or limited JavaScript engines get the no-JS experience
  27      return !(
  28          // Internet Explorer < 8
  29          ( ua.indexOf( 'MSIE' ) !== -1 && parseFloat( ua.split( 'MSIE' )[1] ) < 8 ) ||
  30          // Firefox < 3
  31          ( ua.indexOf( 'Firefox/' ) !== -1 && parseFloat( ua.split( 'Firefox/' )[1] ) < 3 ) ||
  32          // Opera < 12
  33          ( ua.indexOf( 'Opera/' ) !== -1 && ( ua.indexOf( 'Version/' ) === -1 ?
  34              // "Opera/x.y"
  35              parseFloat( ua.split( 'Opera/' )[1] ) < 10 :
  36              // "Opera/9.80 ... Version/x.y"
  37              parseFloat( ua.split( 'Version/' )[1] ) < 12
  38          ) ) ||
  39          // "Mozilla/0.0 ... Opera x.y"
  40          ( ua.indexOf( 'Opera ' ) !== -1 && parseFloat( ua.split( ' Opera ' )[1] ) < 10 ) ||
  41          // BlackBerry < 6
  42          ua.match( /BlackBerry[^\/]*\/[1-5]\./ ) ||
  43          // Open WebOS < 1.5
  44          ua.match( /webOS\/1\.[0-4]/ ) ||
  45          // Anything PlayStation based.
  46          ua.match( /PlayStation/i ) ||
  47          // Any Symbian based browsers
  48          ua.match( /SymbianOS|Series60/ ) ||
  49          // Any NetFront based browser
  50          ua.match( /NetFront/ ) ||
  51          // Opera Mini, all versions
  52          ua.match( /Opera Mini/ ) ||
  53          // Nokia's Ovi Browser
  54          ua.match( /S40OviBrowser/ ) ||
  55          // Google Glass browser groks JS but UI is too limited
  56          ( ua.match( /Glass/ ) && ua.match( /Android/ ) )
  57      );
  58  }
  59  
  60  /**
  61   * The startUp() function will be auto-generated and added below.
  62   */