SMRTR ProgrammingJun 3, 2025LogRocket

How to use the useEffect hook in React: A complete guide

SMRTR summary

React's useEffect Hook allows functional components to handle side effects like data fetching and DOM manipulation. It runs after render, replacing lifecycle methods in class components. useEffect takes a function and optional dependency array, controlling when the effect runs. Proper use improves performance and code organization.

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