@walkingriver @jesterxl This technique is more popular amongst React devs. They can have one-liner useEffect like below. The reason is signature of useEffect is: useEffect(() => CleanUpFunction). So without void, whatever after the "=>" is returned and interpreted as clean up fn. "void" helps here.

type _ effect.t += useEffect : () -> cleanupFunction Effect.t 이거맞지

- 🛡️ #CleanupFunction #ResourceManagement #MemoryLeakPrevention

Cleanup Function UseEffect in React .................... #React #useeffect #cleanupfunction #webdevelopment #javascript #FrontEndDevelopment #coding #Programming #techtips #softwareengineering

Happy coding! 🚀👩💻📊 Let's Connect: https://t.co/Hz7PP0vasg #React #FrontEndDevelopment #JavaScript #CodingAdventures #CodeNewbie #ReactHooks #DataFetching #useEffect #DependencyArray #PageTitle #CleanupFunction

@thomasfindlay94 return a cleanUPFunction ;

3️⃣ Cleanup Function: Optionally return a cleanup function from useEffect to perform cleanup on unmount or before re-run. Prevent memory leaks or stale state issues. Keep your app stable! #ReactDevelopment #CleanupFunction

Hello developers, please take 2 minutes to read: "Need of useEffect Cleanup Function". The article focuses on the importance of a cleanup function for improved performance and easier code maintenance. Link: https://t.co/I9IDCGXjUV #useeffect #reactjs #hooks #cleanupfunction

Example: useEffect(() => { placeholderFunction() return () => cleanupFunction() }, []) In this example, `useEffect` behaves like `componentDidMount` and `componentWillUnmount` becos of the empty dependency array. It doesn't have the `componentDidUpdate` functionality.