JavaScript cloneNode(): clone node
Syntax:
nodeObject.cloneNode(boolean)
Parameter description:
For example, clone the node with id="demo":
<div id="demo"> <div>點(diǎn)擊這里進(jìn)行克隆</div> <div>節(jié)點(diǎn)</div> <div>節(jié)點(diǎn)</div> </div> <script type="text/javascript"> document.getElementById("demo").onclick=function(){ alert(this.cloneNode(true).children.length); } </script>