<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>無(wú)標(biāo)題文檔</title>
</head>
<body>
<div?id="content">
<h1>html</h1>
<h1>php</h1>
<h1>javascript</h1>
<h1>jquery</h1>
<h1>java</h1>
</div>
<script?type="text/javascript">
function?clearText()?{
??var?content=document.getElementById("content");
??//?在此完成該函數(shù)
??var?con=content.childNodes;
??for(var?i=0;i<con.length;i++)
??{
???content.removeChild(con[i]);
??}
??
}
</script>
<button?onclick="clearText()">清除節(jié)點(diǎn)內(nèi)容</button>
</body>
</html>
2015-02-28
removeChild()方法return 了一個(gè)node Object 終止了循環(huán)
2015-02-28
調(diào)試看一下for 你就知道了，沒(méi)刪除一個(gè)節(jié)點(diǎn)，重新定義con