React class 4 | useCallback | Role of Heap Memory скачать в хорошем качестве

React class 4 | useCallback | Role of Heap Memory

🎥 React Class 4 | useCallback, Heap vs Stack, Closures & Browser Memory Explained In React Class 4, we dive deep into how React works internally and clear some of the most confusing concepts for beginners. This class explains useCallback, JavaScript Heap & Stack memory, and how the browser’s JavaScript engine creates and stores functions during component re-renders. We also cover closures, stale state issues, and why React applications still work even without useCallback. This session is especially useful if you: Get confused about function recreation in React Don’t know when to use useCallback Want to understand React performance optimization Are preparing for frontend interviews By the end of this class, you’ll have a clear mental model of React rendering, memory management, and performance best practices. 📌 Topics Covered What is useCallback and why we use it Function recreation in React JavaScript Heap vs Stack memory How browsers manage memory Closures and stale state problems When to use useCallback (real-world examples) Common mistakes beginners make 🔔 Upcoming Classes React Class 5: React.memo, useRef, and render optimization 👍 Support the Channel Like 👍 | Share 🔁 | Subscribe 🔔 Drop your questions in the comments — we’ll cover them in the next class. 🔍 Hashtags #ReactJS #useCallback #ReactHooks #JavaScript #HeapVsStack #Closures #FrontendDevelopment #WebDevelopment #ReactTutorial #ReactBeginner #ReactPerformance #JavaScriptMemory #CodingClass #LearnReact