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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<div id="test" style="float: left; height: 100px; width: 500px; border:1px solid red" contenteditable="true" class="testmr"> 2222</div>
</body>
</html>
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript">
$(function(){
var updates = function(){
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