Custom Hooks

import React from 'react'
import { useState, useEffect } from 'react';

const useDocumentTitle = (title) => {
  useEffect(() => {
    console.log(title)
  }, [title])
}


export default App = () => {
  const [count, setCount] = useState(0);
  const incrementCount = () => setCount(count + 1);
  useDocumentTitle(count)
  return (
      <div>
        <p>You clicked {count} times</p>
        <button onClick={incrementCount}>ClickMe</button>
      </div>
  );
};