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perf.html
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<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="lib/log4javascript-1.4.1.js" type="text/javascript"></script>
<!--
<script src="src/js/core/core.js" type="text/javascript"></script>
<script src="src/js/core/dom.js" type="text/javascript"></script>
<script src="src/js/core/domrange.js" type="text/javascript"></script>
<script src="src/js/core/wrappedrange.js" type="text/javascript"></script>
<script src="src/js/core/wrappedselection.js" type="text/javascript"></script>
<script src="src/js/modules/rangy-textrange.js" type="text/javascript"></script>
-->
<script type="text/javascript" src="http://rangy.googlecode.com/svn/trunk/dev/uncompressed/rangy-core.js"></script>
<script type="text/javascript" src="http://rangy.googlecode.com/svn/trunk/dev/uncompressed/rangy-textrange.js"></script>
<script>
function replaceLastWord(e) {
if (e.keyCode == 32) {
var start = new Date();
var sel = rangy.getSelection();
var range = sel.getRangeAt(0);
range.moveStart("word", -1);
range.deleteContents();
var textNode = document.createTextNode("[REPLACED]\u00a0");
range.insertNode(textNode);
range.collapseAfter(textNode);
//range.pasteHtml("REPLACED ");
sel.setSingleRange(range);
console.log(new Date() - start);
}
}
</script>
</head>
<body>
<div id="editor" contenteditable="true" onkeyup="replaceLastWord(event)">
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</div>
</body>
</html>