Sintaks:
nodeObject.cloneNode(boolean)
Penerangan parameter:
Contohnya, klon nod dengan id="demo":
<div id="demo"> <div>点击这里进行克隆</div> <div>节点</div> <div>节点</div> </div> <script type="text/javascript"> document.getElementById("demo").onclick=function(){ alert(this.cloneNode(true).children.length); } </script>