父页面
View Code
<html>
<head>
<script src="jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn").click(function(){
var sondocument = $(window.frames[0].document)
alert(sondocument.find("#smsg").html());
})});
</script>
</head>
<body>
<div>below me it is an iframe</div>
<iframe id="myiframe" src="son.html" width="300px;" height="500px;"></iframe>
<div id="mm">if you see me through alert from an son's button,you win!</div>
<input type="button" id="btn" value="click me "/></body>
</html>
子页面
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<html>
<head>
<script src="jquery.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn").click(function(){
var mm = $('#mm', window.parent.document)
alert(mm.html())
})});
</script>
</head>
<body>
<input type="button" id="btn" value="click me "/>
<div>click the button above to get parent element's innerHTML</div>
<div id="smsg">if you see me in the alert msg,you win</div>
</body>
</html>
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