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

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Why useEffect matters: Overview

Why useEffect matters: Overview

Hello and welcome to lesson number 4 of this course. In this lesson, we are going to learn about the use effect with APIs and what are the best practices we should be following. We are going to discuss about correct dependency management with API calls using useEffectHook. How we can prevent infinite loops and duplicate request sending. And most importantly, how we can handle the race conditions and perform cleanup correctly. Let's quickly recap and understand why useEffect matters. React's useEffect lets us run a side effect call. Something can be an API call or a processing logic that we want to perform whenever the the component mounts or anything is being updated on the component. That's a recap for how to use a useEffect hook. You get to have an anonymous function. You can call any processing logic that you want to call inside the useEffect body and you can have a dependency array. If the useEffect hook is being utilized incorrectly, we can have infinite re-rendering on the…

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