Explore the intricacies of React's useEffect() hook in this 22-minute video tutorial. Dive into the basics of useEffect(), learn how to set dependencies correctly, and avoid common pitfalls like infinite loops. Discover scenarios where useEffect() might be unnecessary and explore alternative approaches, such as using derived state, resetting state with keys, and handling synchronous APIs without useEffect(). Gain insights into situations where useEffect() is genuinely needed and consider specialized libraries as alternatives. Master the art of efficient React development by understanding when and how to properly utilize the useEffect() hook.
You Might Not Need useEffect - Common Misuses and Alternatives
Overview
Syllabus
useEffect is often used incorrectly!
useEffect basics
Setting dependencies correctly
Avoid infinite loops
Introduction to the problem of using useEffect unnecessarily
Example 1: Use derived state instead
Example 2: Reset state with keys instead
Example 3: Don’t wrap synchronous APIs with useEffect
Sometimes you DO need useEffect
Consider replacing direct useEffect usage with specialized libraries
Taught by
Academind
