The contains() method returns a boolean indicating whether the given string is in the list.
The contains() method returns a boolean indicating whether the given string is in the list.
js
contains(string)
stringA string you want to check for the existence of in the list.
A boolean indicating whether the given string is in the list.
TypeErrorThrown if no argument is provided.
| Specification |
|---|
| HTML Standard # dom-domstringlist-contains |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
contains |
1 | 12 | 1.5 | 10 | ≤12.1 | 5.1 | 3 | 18 | 4 | ≤12.1 | 5 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/DOMStringList/contains