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ÔÚÍøÉÏÕÒµ½ÔÚIEϲÙ×÷IFrameÄÚÈݵĴúÂë:
   
document.frames["MyIFrame"].document.getElementById("s").style.color="blue";
µ«ÊÇÕâÔÚFirefoxÏÂÎÞЧ¡£
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document.getElementById("MyIFrame").contentDocument.getElementById("s").style.color="blue";
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TestIFrame.htm:
<html>
<head>
<script type="text/javascript">
function f(){
        var doc;
        if (document.all){//IE
                doc = document.frames["MyIFrame"].document;
        }else{//Firefox   
                doc = document.getElementById("MyIFrame").contentDocument;
        }
        doc.getElementById("s").style.color="blue";
}
</script>
</head>
<body onload="f()">
<iframe id = "MyIFrame" name = "MyIFrame" src = "MyIFrame.htm" width = "100" height="100">
</body>
</html>
MyIFrame.htm:


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<head>
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function myclick(event){
var ev =event.srcElement ? event.srcElement : event.target;
}

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