What are the performance issues with the useEffect hook in React?

What are the performance issues with the useEffect hook in React?

The useEffect hook can lead to performance issues if not used correctly, such as unnecessary re-renders or infinite loops.

How can I optimize the useEffect hook to avoid these issues?

You can optimize it by specifying dependencies correctly, using cleanup functions, and avoiding heavy computations inside it.

What are some common mistakes developers make with useEffect?

Common mistakes include not providing a dependency array, using state variables directly, and not cleaning up effects.

Can you give an example of a performance issue caused by useEffect?

Sure! If you fetch data inside useEffect without a dependency array, it will run on every render, causing performance degradation.