DOMStringList: contains() method
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
| desktop | mobile | ||||||||||
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contains | |||||||||||