HTML DOM Element isEqualNode()

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Example

Check if two list items in two different lists are equal:

var item1 = document.getElementById("myList1").firstChild;
var item2 = document.getElementById("myList2").firstChild;
var x = item1.isEqualNode(item2);

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Description

The isEqualNode() returns true if two elements (or nodes) are equal.

Two nodes are equal if all of the following conditions are true:

They have the same nodeType
They have the same nodeName
They have the same nodeValue
They have the same nameSpaceURI
They have the same childNodes with all the descendants
They have the same attributes and attribute values
They have the same localName and prefix

Syntax

element.isEqualNode(node)

node.isEqualNode(node)

Parameters

Parameter	Description
node	Required. The node to compare.

Return Value

Type	Description
Boolean	`true` if the nodes are equal, otherwise `false`.

Browser Support

element.isEqualNode() is a DOM Level 3 (2004) feature.

It is fully supported in all modern browsers:


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