DOMStringList: contains() method

Note: This feature is available in Web Workers.

The contains() method returns a boolean indicating whether the given string is in the list.

Syntax

js
contains(string)

Parameters

string

A string you want to check for the existence of in the list.

Return value

A boolean indicating whether the given string is in the list.

Exceptions

TypeError

Thrown if no argument is provided.

Specifications