Interface DOMTokenList

Readonly length

value

[iterator]

• [iterator](): IterableIterator<string>

• Returns IterableIterator<string>

add

• add(...tokens): void

• Adds all arguments passed, except those already present.

  Throws a "SyntaxError" DOMException if one of the arguments is the empty string.

  Throws an "InvalidCharacterError" DOMException if one of the arguments contains any ASCII whitespace.

  MDN Reference

  Parameters

  • Rest ...tokens: string[]

  Returns void

contains

• contains(token): boolean

• Returns true if token is present, and false otherwise.

  MDN Reference

  Parameters

  • token: string

  Returns boolean

entries

• entries(): IterableIterator<[number, string]>

• Returns IterableIterator<[number, string]>

forEach

• forEach(callbackfn, thisArg?): void

• Parameters

  • callbackfn: ((value, key, parent) => void)

    • • (value, key, parent): void

      • Parameters

        • value: string

        • key: number

        • parent: DOMTokenList

        Returns void

  • Optional thisArg: any

  Returns void

item

• item(index): string

• Returns the token with index index.

  MDN Reference

  Parameters

  • index: number

  Returns string

keys

• keys(): IterableIterator<number>

• Returns IterableIterator<number>

remove

• remove(...tokens): void

• Removes arguments passed, if they are present.

  Throws a "SyntaxError" DOMException if one of the arguments is the empty string.

  Throws an "InvalidCharacterError" DOMException if one of the arguments contains any ASCII whitespace.

  MDN Reference

  Parameters

  • Rest ...tokens: string[]

  Returns void

replace

• replace(token, newToken): boolean

• Replaces token with newToken.

  Returns true if token was replaced with newToken, and false otherwise.

  Throws a "SyntaxError" DOMException if one of the arguments is the empty string.

  Throws an "InvalidCharacterError" DOMException if one of the arguments contains any ASCII whitespace.

  MDN Reference

  Parameters

  • token: string

  • newToken: string

  Returns boolean

supports

• supports(token): boolean

• Returns true if token is in the associated attribute's supported tokens. Returns false otherwise.

  Throws a TypeError if the associated attribute has no supported tokens defined.

  MDN Reference

  Parameters

  • token: string

  Returns boolean

toString

• toString(): string

• Returns string

toggle

• toggle(token, force?): boolean

• If force is not given, "toggles" token, removing it if it's present and adding it if it's not present. If force is true, adds token (same as add()). If force is false, removes token (same as remove()).

  Returns true if token is now present, and false otherwise.

  Throws a "SyntaxError" DOMException if token is empty.

  Throws an "InvalidCharacterError" DOMException if token contains any spaces.

  MDN Reference

  Parameters

  • token: string

  • Optional force: boolean

  Returns boolean

values

• values(): IterableIterator<string>

• Returns IterableIterator<string>