<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD> <BODY>
<div id="outerGalaxy">
<ul id="starList">
<li id="star1">
Rigel
</li>
<li id="star2">
Altair
</li>
<li id="star3">
Betelgeuse
</li>
</ul>
</div>
</BODY>
</HTML>
<script language='javascript'>
var a=document.getElementById("star1").nextSibling;
</script>---------------------------
放到下面就不会错了,
在运行var a=document.getElementById("star1").nextSibling; 时候,star1对象还没有生成,
怎么会有
document.getElementById("star1")????
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD> <BODY>
<div id="outerGalaxy">
<ul id="starList">
<li id="star1">
Rigel
</li>
<li id="star2">
Altair
</li>
<li id="star3">
Betelgeuse
</li>
</ul>
</div>
</BODY>
</HTML>
<script language='javascript'>
var a=document.getElementById("star1").nextSibling;
</script>---------------------------
放到下面就不会错了,
在运行var a=document.getElementById("star1").nextSibling; 时候,star1对象还没有生成,
怎么会有
document.getElementById("star1")????
解决方案 »
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