例 1.1（cloneNode()IEFF.html）
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--
window.οnlοad=function(){
var para = document.createElement("p");
var message = document.createTextNode("hello world");
para.appendChild(message);
document.body.appendChild(para);
/* Element object (Object/HTML)
A common name for an object that represents an HTML tag or container.
Inherits from: Node object
BODY object (Object/HTML)
An object that represents the body of a document.
Inherits from: Element object
Node.cloneNode() (Method)
The node object is cloned but the new instance has no parent node defined.
Property/method value type: Node object
JavaScript syntax: - myNode.cloneNode(aSwitch)
Argument list: aSwitch Indicates whether a deep or shallow clone is required
马克-to-win：: if it is false, then it is shallow, then its child is not copyed.
*/
var newpara = para.cloneNode(true);
document.body.appendChild(newpara);
var debugzhanwei="zhanwei";
}
//-->
</SCRIPT>
</HEAD>
<BODY>
</BODY>
</HTML>
更多内容请见原文，文章转载自：https://blog.csdn.net/qq_43650923/article/details/102813045