删除节点

原创于 2009-09-10 10:12:53 发布 · 142 阅读

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>

<body id="test">
<input id="add" type="button" value="增加" disabled="disabled" onclick="add();"/>
<input id="del" type="button" value="删除" onclick="del();"/>
<div id="target">被控制的目标元素</div>
<script language="javascript">
	var body = document.getElementById("test");
var target = document.getElementById("target");

function add()
{
	body.appendChild(target);
	document.getElementById("add").disabled = "disabled";
	document.getElementById("del").disabled = "";
}
function del()
{
	body.removeChild(target);
	document.getElementById("add").disabled = "";
	document.getElementById("del").disabled = "disabled";
	
}
</script>
</body>
</html>