HTML DOMTokenList contains()
❮ The DOMTokenList ObjectExamples
Does an an element has a "myStyle" class token?
let x = element.classList.contains("myStyle");
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Add a "myStyle" class to an element:
const list = element.classList;
list.add("myStyle");
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Remove the "myStyle" class from an element:
const list = element.classList;
list.remove("myStyle");
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Definition and Usage
The contains() method returns true if a
DOMTokenList contains a class, otherwise false.
See Also:
Syntax
domtokenlist.contains(token)
Parameters
| Parameter | Description |
| token | Required. The token to check for. |
Return Value
| Type | Description |
| Boolean | true if the list contains a class, otherwise false. |
Browser Support
domtokenlist.contains() is supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | 10-11 | Yes | Yes | Yes | Yes |
❮ The DOMTokenList Object
