HTML DOM Attributes getNamedItem()

Get the value of the scr attribute of an image:

const nodeMap = document.getElementById("light").attributes;
let value = nodeMap.getNamedItem("src").value;

Get the value of the onclick attribute of a button:

const nodeMap = document.getElementById("myButton");
let value = nodeMap.getNamedItem("onclick").value;

Description

The getNamedItem() method returns an attribute node from a NamedNodeMap object.

It is easier to use the element.getAttribute() method.

namednodemap.getNamedItem( nodename)

Parameter	Description
nodename	Required. The name of the node in the namedNodeMap.

Type	Description
A node	The node with the specified name.

attributes.getNamedItem is a DOM Level 1 (1998) feature.

It is fully supported in all browsers:


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