JavaScript node.cloneNode() Method
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JavaScript node.cloneNode() Method
The node.cloneNode() method creates a copy of a node (including attributes and their values) and returns the clone.
Note: It does not copy event listeners added using addEventListener() or those assigned to element properties.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<p id="point">Hello world</p>
<script>
var x = document.getElementById("point");
var dup = x.cloneNode(true);
x.appendChild(dup);
</script>
</body>
</html>
Syntax
node.cloneNode(deep)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| deep | Optional | If true, the children of the node should also be cloned. If false, to clone only the specified node. |
Return Values
| Value | Explanation |
|---|---|
| Object | Returns a duplicate of the node on which this method was called. |
Clone Node Only (not text)
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<button onclick="myTrue()">True</button>
<button onclick="myFalse()">False</button>
<p>I'm paragraph</p>
<script>
var x = document.getElementsByTagName("p")[0];
function myTrue(){
var dup = x.cloneNode(true);
document.body.appendChild(dup);
}
function myFalse(){
var dup = x.cloneNode(false); //Clone only node, not text
var textnode = document.createTextNode("I'm also a paragraph");
dup.appendChild(textnode);
document.body.appendChild(dup);
}
</script>
</body>
</html>
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