DOMStringList: contains() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
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
Specification |
---|
HTML Standard # dom-domstringlist-contains |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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contains |
Legend
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- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.