useCallback hook in react explained (under 9 minutes) скачать в хорошем качестве

useCallback hook in react explained (under 9 minutes)

Learn how to use the useCallback hook in React JS with this easy-to-follow, tutorial under 9 minutes. Perfect for beginners or anyone building functional React components and wanting to optimize performance. In this video, I explain: What useCallback is and why it’s important for performance in React applications. How to use useCallback — syntax and when to use it. How to avoid unnecessary re-renders when passing functions to child components, or when using callbacks inside effects. Whether you’re building small React apps or optimizing large ones — this video will help you understand when and how to use this very important hook in react from point of view of performance optimisation Useful for: React JS beginners. Developers migrating to hooks-based functional components from class based components. Developers looking to optimize React app performance Checkout this playlist, where I have explained all important hooks in react    • React useEffect Explained with REAL Example   Timestamps: 00:00 – What is useCallback hook? 00:21 – Syntax of useCallback 00:59 – What useCallback returns 1:10 - Example with useCallback 3:28 - Example without useCallback 4:16 - Why React.memo used? 6:02 - useCallback example without React.memo 7:29 - Summary