What are some common mistakes when using useEffect in React?
An example of an AI chatbot conversation about common useEffect mistakes in React.
What are some common mistakes when using useEffect in React?
Some common mistakes include forgetting to add dependencies, causing infinite loops, and not cleaning up effects.
Can you explain why forgetting dependencies is a problem?
Forgetting dependencies can lead to stale values being used in your effect, which may cause unexpected behavior.
What does it mean to clean up effects?
Cleaning up effects means returning a function from useEffect that will run when the component unmounts or before the effect runs again.
Can you give an example of a cleanup function?
Sure! If you set up a subscription in useEffect, you should return a function that unsubscribes from it.
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