useEffect

https://reactjs.org/docs/hooks-effect.html

The Effect Hook lets you perform side effects in function components

🚀 Usage

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function Demo() {
  const [count, setCount] = useState(0);
  // Similar to componentDidMount and componentDidUpdate:
  useEffect(() => {
    // Update the document title using the browser API
    document.title = `You clicked ${count} times`;
  });
  return (
    <div>
      <p>You clicked {count} times</p>
      <button onClick={() => setCount(count + 1)}>Click me</button>
    </div>
  );
}
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⚡Preview

You clicked 0 times

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