swat.obsolete/apps/qooxdoo-examples/performance/ObjectCreate_1.html


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<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>qooxdoo &raquo; Demo</title>
  <link type="text/css" rel="stylesheet" href="../../resource/css/layout.css"/>
  <!--[if IE]>
  <link type="text/css" rel="stylesheet" href="../../resource/css/layout_ie.css"/>
  <![endif]-->
  <script type="text/javascript" src="../../script/qx.js"></script>
</head>
<body>
  <script type="text/javascript" src="../../script/layout.js"></script>

  <div id="demoDescription">
    <p>Tests for empty Object creation performance</p>
    <ol>
      <li>Using "{}"</li>
      <li>Using "new Object"</li>
      <li>Using "new Object()"</li>
    </ol>
  </div>

  <script type="text/javascript">
  qx.core.Init.getInstance().defineMain(function()
  {
    function ObjectCreate1(vLoops)
    {
      var foo;

      for (var i=0; i<vLoops; i++) {
        foo = {};
      };
    };

    function ObjectCreate2(vLoops)
    {
      var foo;

      for (var i=0; i<vLoops; i++) {
        foo = new Object;
      };
    };

    function ObjectCreate3(vLoops)
    {
      var foo;

      for (var i=0; i<vLoops; i++) {
        foo = new Object();
      };
    };

    new qx.dev.TimeTracker(ObjectCreate1, ObjectCreate2, ObjectCreate3);
  });
  </script>
</body>
</html>