Helpful useEffects Yo

helpfulUseEffects.jsx

import { useEffect } from 'react';
// ...
  const  { var1, var2, var3 } = props
  
  useEffect(() => {
    console.log('tell me what loaded first time', { var1, var2, var3 })
  }, [])
  useEffect(() => {
    console.log('tell me what changed plz ', { var1, var2, var3 })
  })
  
  /*
  useEffect(() => { // cleanup yo use effects.
    effect
    return () => {
      cleanup
    }
  }, [input])
  */
// ...