<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</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");
// 在此完成该函数
for(i=0;i<content.childNodes.length;i++){
var x = content.removeChild(content.childNodes[i]);
document.write("删除的节点内容："+x.innerHTML+"<br>");
}
}
</script>
<button onclick="clearText()">清除节点内容</button>
</body>
</html>
sissifly
2014-09-30
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