DOMTokenList

This type represents a set of space-separated tokens. Commonly returned by HTMLElement.classList, HTMLLinkElement.relList, HTMLAnchorElement.relList or HTMLAreaElement.relList. It is indexed beginning with 0 as with JavaScript arrays. DOMTokenList is always case-sensitive.

Properties

• length (read-only integer)

Methods

• item ( idx ) - returns an item in the list by its index (or undefined if the number is greater than or equal to the length of the list, prior to Gecko 7.0 returned null)
• contains ( token ) - return true if the underlying string contains token, otherwise false
• add ( token ) - adds token to the underlying string
• remove ( token ) - remove token from the underlying string
• toggle ( token ) - removes token from string and returns false. If token doesn't exist it's added and the function returns true

See Also

• DOMSettableTokenList (object that extends DOMTokenList with settable .value property)
• bug 501257 - Implement HTML 5's HTMLElement.classList property

Specification

• http://www.whatwg.org/specs/web-apps/current-work/#domtokenlist