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React Hooks Reference — useState, useEffect, useCallback, useMemo, useRef, useContext, custom hooks






React Hooks Reference — useState, useEffect, useCallback, useMemo, useRef, useContext, custom hooks


⚛️ React Hooks Reference

useState (functional updates, lazy init), useEffect (deps array, cleanup, async patterns, stale closure), useCallback, useMemo, useRef (DOM, stable callbacks, previous value), useContext, useReducer, custom hooks, and the rules that prevent subtle bugs.



🔍 Free tool: npm Package Health Checker — check any npm package for EOL runtime requirements, known CVEs, and maintenance status before adding it to your React project.

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