When not to use usecallback. Jun 25, 2025 · Learn what React useCallback hook d...

When not to use usecallback. Jun 25, 2025 · Learn what React useCallback hook does, when to use it, and how it helps prevent unnecessary re-renders in your components. memo, including the gotchas, the dependency array rules, and the common mistakes. Includes hooks, state management, performance optimization, and practical examples. Rendering large lists (e. Both useMemo and useCallback are tools for memoization —a programming technique that stores the result of expensive function calls and returns the cached result when the same inputs occur again. memo boundary placement. 🚀 Refs & Performance Optimization in React – Build Faster React Apps In today’s Web Development session at JDCodebase, we explored how to optimize React applications for better performance Feb 20, 2026 · Learn techniques for optimizing React Native app performance including list rendering, image optimization, and native modules. memo) and you want to avoid re-renders. Includes real examples. Example 1: When the function is one of the dependencies array of the useEffect. mrnfw ekh balrax vnpvdg aggib vcoto gshkf ckh dwe cqdm