What are some common mistakes when using useEffect in React?

What are some common mistakes when using useEffect in React?

Some common mistakes include not specifying dependencies, causing infinite loops, and misunderstanding cleanup functions.

Can you explain what happens if I forget to add dependencies?

If you forget to add dependencies, the effect will run after every render, which can lead to performance issues.

What is a cleanup function and why is it important?

A cleanup function is used to clean up side effects before the component unmounts or before the effect runs again. It's important to prevent memory leaks.

How can I debug useEffect issues?

You can debug useEffect issues by using console logs, checking the dependency array, and ensuring that your effects are correctly set up.