日期:2014-05-16  浏览次数:20385 次

为什么这一段在firefox里不弹出alert?
为什么这一段在firefox里不弹出alert?
<HTML>
<SCRIPT>
function   fnBegin(){
var   fr   =   document.getElementById( "oFrame ").cloneNode();
alert(document.body.innerHTML);
}
</SCRIPT>
<BODY   onload= "fnBegin() ">
<IFRAME   id= "oFrame "   src= "http://www.163.com "
style= "border:1px   solid   black;   position:absolute;   top:20px;   left:30px;
width:350px;   height:300px; "> </IFRAME>
</BODY>
</HTML>

------解决方案--------------------
var fr = document.getElementById( "oFrame ").cloneNode(true);