Syntax

Parameters

name

A string containing the name of the attribute.

Return value

An Attr node.

Exceptions

InvalidCharacterError DOMException

Thrown if the name value is not a valid XML name; for example, it starts with a number, hyphen, or period, or contains characters other than alphanumeric characters, underscores, hyphens, or periods.

Examples

const node = document.getElementById("div1");
const a = document.createAttribute("my_attrib");
a.value = "newVal";
node.setAttributeNode(a);
console.log(node.getAttribute("my_attrib")); // "newVal"

Specifications

Browser compatibility

See also

• Document.createAttributeNS()
• Document.createElement()
• Element.setAttribute()
• Element.setAttributeNode()