​x
 
<html>
<head>
<script type="text/javascript">
function changeSource()
{
document.getElementById("frame1").src="/example/hdom/frame_c.html"
document.getElementById("frame2").src="/example/hdom/frame_d.html"
}
</script>
</head>
​
<body>
<iframe src="/example/hdom/frame_a.html" id="frame1"></iframe>
<iframe src="/example/hdom/frame_b.html" id="frame2"></iframe>
<br /><br />
<input type="button" onclick="changeSource()" value="改变两个框架的 source">
​
</body>
</html>
​