previousSibling
Xudoz 2005-03-12 07:25:37 为什么previousSibling无效?
<HTML>
<HEAD>
<TITLE>xudoz test</TITLE>
</HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--
function checkNumber(oInput){
alert(oInput.tagName);
}
//-->
</SCRIPT>
<BODY>
<input type="text">
<input type="button" value="sssssssss"
onclick="checkNumber(this.previousSibling);"/>
</BODY>
</HTML>