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<html>
<head>
<script language="javascript">
window.onload=function(){
x = document.form1.yourvalue.value;
l = document.getElementById("link");
l.onclick = function warn(){
alert(x);
}
}
</script>
</head>
<body>
<form name="form1">
<input type="text" name="yourvalue" size="40">
<a id="link">点击</a>
</form>
</body>
</html>
<html>
<head>
<script type="text/javascript" charset="utf-8">
window.onload = function() {
var alink = document.getElementById("link");
alink.onclick = function() {
var inputText = document.getElementById("yourvalue");
alert(inputText.value);
}
}
</script>
</head>
<body>
<form name="form1">
<input type="text" id="yourvalue" size="40"/>
<a id="link" href="#">点击</a>
</form>
</body>
</html>