component did mount react hook code example

Example 1: use effect like component did mount

useEffect(() => {
	console.log('I am the new componentDidMount')
}, [])
// Don't forget the empty array at the end

Example 2: component did mount in hooks

For componentDidMount
useEffect(() => {
  // Your code here
}, []);

For componentDidUpdate
useEffect(() => {
  // Your code here
}, [yourDependency]);

For componentWillUnmount
useEffect(() => {
  // componentWillUnmount
  return () => {
     // Your code here
  }
}, [yourDependency]);

Example 3: react hook will mount

const useComponentWillMount = (func: (params?: any) => any) => useMemo(func, []);

Example 4: reawct uweeffect

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

function Example() {
  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>
  );
}