I'm not sure if I understand your question, but React.useState returns two values in the form of an array. The first is the state value, which should be treated as immutable and the second is a setter function, which is used to update the state value.
Oh, right. No, it doesn't return a useful value (undefined). However, it does automagically update the value of the state variable and cause your component to rerender with that new value.
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I'm not sure if I understand your question, but
React.useStatereturns two values in the form of an array. The first is the state value, which should be treated as immutable and the second is a setter function, which is used to update the state value.More info here: reactjs.org/docs/hooks-state.html
Does the setter function return a value? You know, in addition to setting one
Oh, right. No, it doesn't return a useful value (
undefined). However, it does automagically update the value of the state variable and cause your component to rerender with that new value.