const Effects = () => { const [count, setCount] = useState(0); useLayoutEffect(() => console.log("elke render 1")); console.log("elke render 2"); useEffect(() => console.log("elke render 3")); return ( <> {count} <button onClick={() => setCount((prevProps) => ++prevProps)}> Incrementeren </button> </> ); }; export default Effects; // 1e render: // Na klik: const Effects = () => { const [count, setCount] = useState(0); const [number, setNumber] = useState(0); useEffect(() => { console.log(count); return () => { console.log(count); }; }); return ( <> {count} <button onClick={() => setCount((prevProps) => ++prevProps)}> Incrementeren </button> </> ); }; export default Effects; // 1e render: // 2 1 3 // Na klik: // 2 1 3 // null teruggeven: // 2 1 3 // // 1: 1, 0 // +: 1, 2 // ++: 2, 2