From the course: Build Modern Web Apps with React, Hooks, State Management, and APIs Using Vite or Next.js

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Mistakes to avoid: Summary

Mistakes to avoid: Summary

Welcome back, let's discuss some of the common mistakes which should be avoided. The first can be forgetting to add the dependencies. That way, you'll have stale data on the UI and your use effect won't trigger if you haven't defined the correct dependencies array. You should also not be adding unnecessary dependencies, otherwise you can end up in an infinite loop of making API calls. We should never be updating the state after the component has been unmounted, otherwise we can have memory leaks and warnings on the UI. Also, we should always monitor our code and its performance for race conditions, otherwise we can have an inconsistent UI and it will behave abruptly. So, let's summarize what we have learned so far. Use effect is a key for safe and efficient API calls. The mismanagement of this can lead to an inefficient API based performance on your UI. Always be using the cleanup functions to prevent race conditions or use solutions like abort controller or is mounted flags. Be…

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