Answers for "useeffect return"

useeffect umnount

useEffect(() => {
    return () => {
      console.log("cleaned up");
    };
  }, []);

react use effect

useEffect(() => {
	
  },[]);

useeffect with cleanup

useEffect(() => {
	//your code goes here
    return () => {
      //your cleanup code codes here
    };
  },[]);

useeffect

function App() {
  const [count, setCount] = useState(0);

  useEffect(() => {
    longResolve().then(() => {
      alert(count);
    });
  }, []);

  return (
    <div>
      <button
        onClick={() => {
          setCount(count + 1);
        }}
      >
        Count: {count}
      </button>
    </div>
  );
}

useeffect return

useEffect(() => {
   
    return () => {
       
    };
  }, []);

useeffect react

useEffect(() => {
	//  code goes here
    return () => {
      // cleanup code codes here
    };
  },[]);