MaxInterview - replace componentwillmount with hooks

showing results for - "replace componentwillmount with hooks"

1useEffect(() => {
2	//will be called on every load
3})
4
5useEffect(() => {
6	//will be called on component mount
7  window.addEventListener('mousemove', () => {});
8
9  // returned function will be called on component unmount 
10  return () => {
11    window.removeEventListener('mousemove', () => {})
12  }
13}, []) // <---- empty array at end will cause to only run on first load

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