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diff --git a/webapps/qooxdoo-0.6.3-sdk/frontend/demo/source/html/performance/StringConcat_2.html b/webapps/qooxdoo-0.6.3-sdk/frontend/demo/source/html/performance/StringConcat_2.html
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--- a/webapps/qooxdoo-0.6.3-sdk/frontend/demo/source/html/performance/StringConcat_2.html
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@@ -1,98 +0,0 @@
-<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 String Performance. Using cached string instances for concat.</p>
- <ol>
- <li>Operator +=</li>
- <li>Operators = and +</li>
- <li>Concat function</li>
- <li>Array Push</li>
- <li>Array Index</li>
- <li>StringBuilder Object</li>
- </ol>
- </div>
-
- <script type="text/javascript">
- qx.core.Init.getInstance().defineMain(function()
- {
- var e = "";
- var a = "a";
-
- function StringConcatShort(vLoops)
- {
- var s = e;
-
- for (var i=0; i<vLoops; i++) {
- s += a;
- };
- };
-
- function StringConcatShortAlt(vLoops)
- {
- var s = e;
-
- for (var i=0; i<vLoops; i++) {
- s = s + a;
- };
- };
-
- function StringConcatMethod(vLoops)
- {
- var s = e;
-
- for (var i=0; i<vLoops; i++) {
- s=s.concat(a);
- };
- };
-
- function StringConcatArrayPush(vLoops)
- {
- var s = [];
-
- for (var i=0; i<vLoops; i++) {
- s.push(a);
- };
-
- s = s.join(e);
- };
-
- function StringConcatArrayAdd(vLoops)
- {
- var s = [];
-
- for (var i=0; i<vLoops; i++) {
- s[s.length] = a;
- };
-
- s = s.join(e);
- };
-
- function StringConcatStringBuilder(vLoops)
- {
- var s = new qx.type.StringBuilder;
-
- for (var i=0; i<vLoops; i++) {
- s.add(a);
- };
-
- s = s.get();
- };
-
- new qx.dev.TimeTracker(StringConcatShort, StringConcatShortAlt,
- StringConcatMethod, StringConcatArrayPush, StringConcatArrayAdd,
- StringConcatStringBuilder);
- });
- </script>
-</body>
-</html>