A,B两个页面，A里面用iframe包含B，现在在A里面要取得B里面一个Hidden控件的value

a.html

HTML code


<html>
<head>
</head>
<script language="javascript">
function test(){
alert(document.getElementById("f1").contentWindow.document.getElementById("text1").value);
}
</script>
<body>
<h1>a.html</h1>
<input type="button" value="test" onclick="test()">
<br>
<iframe id="f1" src="b.html"></iframe>
</body>
</html>

b.html

HTML code


<html>
<head>
</head>
<body>
<h1>b.html</h1>
<input type="hidden" id="text1" value="abcdefg"/>
</body>
</html>

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