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Example of cloneNode () usage of DOM node deep clone function

Source: Internet
Author: User
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Example of cloneNode () usage of DOM node deep clone function

This article mainly introduces the usage of the DOM node deep clone function cloneNode (). The instance analyzes the operation skills of the cloneNode () function deep copy, which has some reference value. If you need it, you can refer

 

 

This example describes how to use the DOM node deep clone function cloneNode. Share it with you for your reference.

The specific implementation method is as follows:

The Code is as follows:

<Html>
<Head>
<Script type = "text/javascript">
Function t (){
Var nodeul = document. getElementsByTagName ('ul ') [0]; // obtain the ul node to be copied
Var newul = nodeul. cloneNode (true); // true indicates deep replication, that is, the li at the bottom of the edge is also the same as the text; if it is false, only ul is copied.

Var node_copy = document. getElementById ('copyul ');
Node_copy.appendChild (newul );
}
</Script>
</Head>
<Body>
<Div id = "container">
<Ul>
<Li> spring </li>
<Li> summer </li>
<Li> autumn </li>
<Li> Winter </li>
</Ul>
</Div>
<Div id = "copyul">
</Div>
<Hr/>
<Button onclick = "t ()" value = ""> Add a node at a specified position </button>
</Body>
</Html>

 

I hope this article will help you design javascript programs.

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