CustomStateSet: forEach() method

The forEach() method of the CustomStateSet interface executes a provided function for each value in the CustomStateSet object.

Syntax

forEach(callbackFn)
forEach(callbackFn, thisArg)

Function to execute for each element, taking three arguments:

value, key: The current element being processed in the CustomStateSet. As there are no keys in a CustomStateSet, the value is passed for both arguments.
set: The CustomStateSet which forEach() was called upon.

Value to use as this when executing callbackFn.

Undefined.

Specification
HTML Standard # custom-state-pseudo-class

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