实例：通过window.top.document.getElementById 切换frame的内容
//if1.htm

 

<br /><br />

<a href="#" onclick="abc();" id="cname2">测试</a><br />

<iframe id="eWebEditor1" src="if2.htm" frameborder="0" scrolling="No" width="98%" height="300"></iframe>

<script>
function abc(){
//document.getElementById("eWebEditor1").src="if2.htm";
//parent.body.document
eWebEditor1.document.getElementById("cname3").innerText="if2.htm";
}
</script>

 

//if2.htm

<span id="cname">测试数据</span>
<a href="#" onclick="abc();" id="cname3">测试</a><br />

<script>
function abc(){
//window.top.document.getElementById("eWebEditor1").src="1.asp";
window.top.document.getElementById("cname2").innerText="测试二";
//window.parent.document.getElementById("cname2").innerText="测试二";
}
</script>