<html>
<body>
<div id=aaa>fdsfdsa</div>
<input type=button value=test onclick="changeDivID()">
</body></html>
<script>
var theDiv=aaa;
function changeDivID()
{
alert(theDiv.id);
var newId="abce01"
theDiv.id=newId;
}
</script>
<body>
<div id=aaa>fdsfdsa</div>
<input type=button value=test onclick="changeDivID()">
</body></html>
<script>
var theDiv=aaa;
function changeDivID()
{
alert(theDiv.id);
var newId="abce01"
theDiv.id=newId;
}
</script>
<SCRIPT LANGUAGE="JavaScript">
function modifyId(sourceId, targetId)
{
if (!document.all(sourceId))
{
alert("不存在 id = " + sourceId + " 的HTML标签");
return false;
} while(1)
{
if (document.all(sourceId).length)
{
document.all(sourceId)[0].id = targetId;
}else
{
document.all(sourceId).id = targetId;
alert("已将所有\n id = " + sourceId + " \n转化为\n id = " + targetId);
break;
}
}
}
</SCRIPT><div id=C1T1>C1T1 (1)</div>
<div id=C1T1>C1T1 (2)</div>
<div id=C1T1>C1T1 (3)</div>
<P>
<button onclick="modifyId('C1T1', 'C1T2')">C1T1 => C1T2</button>
<button onclick="modifyId('C1T2', 'C1T1')">C1T2 => C1T1</button>
<P>
<button onclick="(document.all('C1T1')&&document.all('C1T1')[0])?alert(document.all('C1T1')[0].outerHTML):alert('不存在C1T1')">Get C1T1(1)</button>
<button onclick="(document.all('C1T2')&&document.all('C1T2')[0])?alert(document.all('C1T2')[0].outerHTML):alert('不存在C1T2')">Get C1T2(1)</button>
</BODY>