Contents

// ==========================================================================
// Project:   SproutCore - JavaScript Application Framework
// Copyright: ©2006-2011 Strobe Inc. and contributors.
//            Portions ©2008-2010 Apple Inc. All rights reserved.
// License:   Licensed under MIT license (see license.js)
// ==========================================================================

SC.mixin(SC.browser,
/** @scope SC.browser */ {

  /**
    Pass any number of arguments, and this will check them against the browser
    version split on ".".  If any of them are not equal, return the inequality.
    If as many arguments as were passed in are equal, return 0.  If something
    is NaN, return 0.
  */
  compareVersion: function () {
    if (this._versionSplit === undefined) {
      var coerce = function (part) {
        return Number(part.match(/^[0-9]+/));
      };
      this._versionSplit = SC.A(this.version.split('.')).map(coerce);
    }

    var tests = SC.A(arguments).map(Number);
    for (var i = 0; i < tests.length; i++) {
      var check = this._versionSplit[i] - tests[i];
      if (isNaN(check)) return 0;
      if (check !== 0) return check;
    }
    
    return 0;
  }

});

Version data entries

2 entries across 2 versions & 2 rubygems

Version	Path
spade-0.0.1	sproutcore/frameworks/core_foundation/system/browser.js
sproutcore-1.5.0.pre.5	lib/frameworks/sproutcore/frameworks/core_foundation/system/browser.js