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CSSStyleDeclaration JS Conversion


HTML DOM Element cloneNode()

Example

Copy a <li> element from "myList2" to "myList1":

const node = document.getElementById("myList2").lastChild;
const clone = node.cloneNode(true);

document.getElementById("myList1").appendChild(clone);

Before:

  • Coffee
  • Tea
  • Water
  • Milk

After:

  • Coffee
  • Tea
  • Milk
  • Water
  • Milk
Try it Yourself »

More examples below.


Definition and Usage

The cloneNode() method creates a copy of a node, and returns the clone.

The cloneNode() method clones all attributes and their values.

Set the deep parameter to true if you also want to clone descendants (children).


Syntax

node.cloneNode(deep)

Parameters

Parameter Description
deep Optional.
false - Default. Clone only the node and its attributes.
true - Clone the node, its attributes, and its descendants.

Return Value

Type Description
NodeThe cloned node.


More Examples

Example

Copy the "demo" element, including attributes and child elements, and append it to the document:

const node = document.getElementById("demo");
const clone = node.cloneNode(true);
document.body.appendChild(clone);
Try it Yourself »

Browser Support

element.cloneNode() is a DOM Level 1 (1998) feature.

It is fully supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes 9-11 Yes Yes Yes Yes