CustomStateSet.has()

The has() method of the CustomStateSet interface returns a Boolean asserting whether an element is present with the given value.

Syntax

CustomStateSet.has(value)

Parameters

value

The value to test for in the CustomStateSet object.

Return Value

A Boolean, true if value exists in the CustomStateSet.

Specifications

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https://developer.mozilla.org/en-US/docs/Web/API/CustomStateSet/has