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JavaScript cloneNode(): clone node

Syntax:
nodeObject.cloneNode(boolean)
Parameter description:

QQ截圖20161013113010.png

For example, clone the node with id="demo": 

<div id="demo">
    <div>點擊這里進行克隆</div>
    <div>節(jié)點</div>
    <div>節(jié)點</div>
</div>
<script type="text/javascript">
document.getElementById("demo").onclick=function(){
    alert(this.cloneNode(true).children.length);
}
</script>


Continuing Learning
||
<!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>無標(biāo)題文檔</title> <div id="demo"> <div>點擊這里進行克隆</div> <div>節(jié)點</div> <div>節(jié)點</div> </div> <script type="text/javascript"> document.getElementById("demo").onclick=function(){ alert(this.cloneNode(true).children.length); } </script> </head> <body> </body> </html>
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