<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>無標(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");
??var?x=content.childNodes;
??var?y;
??for(var?i=0;i<x.length;i++){
??????content.removeChild(x[i]);
??????
??????/*document.write("清除"+y[i].innerHTML+"<br/>")*/
??}
??
??//?在此完成該函數(shù)
??
??
}
</script>
<button?onclick="clearText()">清除節(jié)點(diǎn)內(nèi)容</button>
2016-10-15
你把?var?content=document.getElementById("content");移到函數(shù)外試試