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Fix React useEffect Infinite Loops and Stale State

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Self-Hosting & Infra intermediate 7 min read $0.01 Updated 2026-10-19

Debugging React useEffect problems: infinite render loops from setState in effects, unstable object and function dependencies, functional updates, stale closures, cleanup, Strict Mode double-invocation and when you do not need an effect.

A component re-renders forever, an effect fires on every render, or a callback sees old state. Fix dependency arrays, object identity, state updates inside effects and stale closures.

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#react#hooks#useeffect#debugging#javascript

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