React Hooks Complete Guide 2026: From useState to useOptimistic

Short summary

Complete React Hooks guide covering useState, useEffect, useContext, useReducer, useCallback, useMemo, useRef, and useOptimistic with TypeScript examples. Includes detailed explanations of common pitfalls like dependency array mistakes and demonstrates production patterns for state management and prop drilling elimination. Essential for developers modernizing from class components to functional React.

• •Master useState and useEffect with proper dependency arrays and functional updates to avoid stale closures
• •useContext eliminates prop drilling; useReducer handles complex state; advanced hooks optimize performance
• •Real-world patterns shown: theme switching, data fetching, cleanup functions, async operations in effects

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