/Javascript/React/React useState vs variable

React useState vs variable

function Foo() {
    const [a, setA] = useState(0);
    return <div onClick={() => setA(a + 1)}>{a}</div>;
}

function Foo() {
    let a = 0;
    return <div onClick={() => a + 1}>{a}</div>;
}

Source: stackoverflow.com

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