webapps/qooxdoo-0.6.3-sdk/frontend/demo/source/html/performance/ObjectSize_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>Testing the incluence to the performance of data using the prototype mechanism on classes.</p>
  </div>

  <script type="text/javascript">
  qx.core.Init.getInstance().defineMain(function()
  {
    var emptyObject = function() {};
    var protoObject1 = function() {};
    var protoObject2 = function() {};

    for (var i=0; i<1000; i++)
    {
      protoObject1.prototype["i" + i] = function() {
        alert("Hello World: " + i);
      };
    }

    for (var i=0; i<1000; i++)
    {
      protoObject2.prototype["i" + i] = "Hello World";
    }

    function empty(vLoops)
    {
      for (var i=0; i<vLoops; i++) {
        new emptyObject;
      }
    }

    function protos1(vLoops)
    {
      for (var i=0; i<vLoops; i++) {
        new protoObject1;
      }
    }

    function protos2(vLoops)
    {
      for (var i=0; i<vLoops; i++) {
        new protoObject2;
      }
    }

    new qx.dev.TimeTracker(empty, protos1, protos2);
  });
  </script>
</body>
</html>