<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>js清除节点内容||改变标签元素</title>
</head>
<body>
<!--清除节点内容-->
<div );
newnode.innerHTML = oldnode.innerHTML;
oldnode.parentNode.replaceChild(newnode, oldnode);
}
</script>
</html>
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