How can I optimize performance when using useEffect in React?

How can I optimize performance when using useEffect in React?

To optimize performance with useEffect, consider using the dependency array wisely to avoid unnecessary re-renders.

What are some common pitfalls to avoid with useEffect?

Common pitfalls include not specifying dependencies, which can lead to stale closures, and using it for heavy computations.

Can I use useEffect for data fetching?

Yes, useEffect is commonly used for data fetching. Just ensure you handle cleanup properly to avoid memory leaks.

How does useEffect differ from useLayoutEffect?

useEffect runs after the DOM has been painted, while useLayoutEffect runs synchronously after all DOM mutations.