JavaScript: The Definitive Guide, Fourth Edition

Name

Element — an HTML or XML element

Availability

DOM Level 1 Core

Inherits from/Overrides

Node → Element

Subinterfaces

HTMLElement

Properties

readonly String tagName

The tag name of the element. This is the string “P” for an HTML <p> element, for example. For HTML documents, the tag name is returned in uppercase, regardless of its capitalization in the document source. XML documents are case-sensitive, and the tag name is returned exactly as it is written in the document source. This property has the same value as the nodeName property of the Node interface.

Methods

getAttribute( )

Returns the value of a named attribute as a string.

getAttributeNS( ) [DOM Level 2]

Returns the string value of an attribute specified by local name and namespace URI. Useful only with XML documents that use namespaces.

getAttributeNode( )

Returns the value of a named attribute as an Attr node.

getAttributeNodeNS( ) [DOM Level 2]

Returns the Attr value of an attribute specified by local name and namespace URI. Useful only with XML documents that use namespaces.

getElementsByTagName( )

Returns an array (technically, a NodeList) of all descendant Element nodes of this element that have the specified tag name, in the order in which they appear in the document.

getElementsByTagNameNS( ) [DOM Level 2]

Like getElementsByTagName( ), except that the element tag name is specified by local name and namespace URI. Useful only with XML documents that use namespaces.

hasAttribute( ) [DOM Level 2]

Returns true if ...