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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>无标题页</title>
</head>
<body id="d">
<bigstart di="b">aaaa</bigstart >
<bigstart di="f">bbb</bigstart >
<bigstart di="g">cccc</bigstart >
<a onclick="re('div')">aa</a>
<script type="text/javascript">
function re(type)
{
document.getElementById('d').innerHTML = document.getElementById('d').innerHTML.replace(/bigstart/ig,type)
alert(document.getElementById('d').innerHTML);
alert(document.getElementsByTagName('div')[0].innerHTML);
}
</script>
</body>
</html>
var aa = document.body.innerHTML;
aa = aa.replace(/<!--bigstart/g,"<div>");
aa = aa.replace(/-->/g,"</div>");
document.body.innerHTML = aa;