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#2
mangix2013-04-20 00:29
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<html>
<head>
<title>1</title>
<script type="text/javascript">
function vali(){
var in = document.getElementById("in").value;
alert(in);
}
</script>
</head>
<body>
<input type="text" id="in" value="moren"/>
<input type="button" value="正则测试" onClick="vali()" id="butt"/>
</body>
</html>
上面的代码为什么输不出输入框的值?