# HTML DOM item() Method

Attribute Object

## Example

Get the name of the first attribute of a <button> element:

var x = document.getElementsByTagName("BUTTON")[0].attributes.item(0).nodeName;

The result of x could be:

onclick
Try it yourself »

More "Try it Yourself" examples below.

## Definition and Usage

The item() method returns the node at the specified index in a NamedNodeMap, as a Node object.

The nodes are sorted as they appear in the source code, and the index starts at 0.

Note: There are two ways to access an attribute node at the specified index in a NamedNodeMap:

## This syntax:

document.getElementsByTagName("BUTTON")[0].attributes.item(1); // The 2nd attributeTry it

## Will produce the same result as this syntax:

document.getElementsByTagName("BUTTON")[0].attributes[1]; // The 2nd attributeTry it

You can use whatever method you like, however, the most common method is [index].

Tip: Use the length property to return the number of nodes in a NamedNodeMap object.

## Browser Support

Method |  |  |  |  |
--- | --- | --- | --- | --- | ---
item() | Yes | Yes | Yes | Yes | Yes

## Syntax

namednodemap.item(index)
or simply:
namednodemap[index]

## Parameter Values

Parameter | Type | Description
--- | --- | ---
index | Number | Required. The index of the node in the NamedNodeMap you want to return

## Technical Details

Return Value: | A Node object, representing the attribute node at the specified index. Note: Returns null if the index number is out of range
DOM Version | Core Level 1

## More Examples

## Example

Change the value of a <button> element's second attribute:

document.getElementsByTagName("BUTTON")[0].attributes[1].value = "newClass";
Try it yourself »

Attribute Object

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