Cassidy Williams • 2/10/2023

When useEffect runs

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This technical article provides a detailed explanation of the React/Preact useEffect hook, focusing on when it is called. It covers side effects, the dependency array's three states (empty, omitted, or populated), and the purpose of the cleanup function. It serves as a reference for understanding how useEffect synchronizes with state changes in an application.

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#React #useeffect #side effects
When useEffect runs

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