Feb 24
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Welcome to Part 1 of the React Performance Mastery Series! In this video, we break down the core fundamentals every React developer MUST understand to build fast, smooth, and scalable applications. If your React components re-render too much… If your UI feels laggy… If useCallback, useMemo, and React.memo() confuse you… Or if your search inputs and scroll events keep firing like crazy… 👉 What You’ll Learn in Part 1 In this video, you’ll learn: ✅ Understanding React Re-Renders ✅ Memoization in React (The Right Way) ✅ Derived State Patterns ✅ Debouncing & Throttling in React 🎁 Bonus: Explore the full React Hooks Cheatsheet 👉 https://tapascript.io/books/react-hooks-cheatsheet Timecodes 0:00 - Performance Patterns 00:52 - What’s in Part 1? 01:51 - Re-Rendering in React 05:29 - Memoization 07:58 - The memo() 12:21 - The useCallback() 20:46 - the useMemo() 28:21 - The Derived State 33:53 - Debouncing 41:40 - Throttling 46:20 - Tasks and End 🔥 If you enjoyed this, Part 2 will blow your mind. We’ll deep dive into: - React Compiler - Component isolation - Virtualization - Context optimization - Lazy loading - Bundle performance 🔔 Subscribe so you don’t miss it! - ⭐ Subscribe: https://www.youtube.com/tapasadhikary - ⭐ Join: https://www.youtube.com/channel/UCaYr5yxgOyk599Mnb3TGh-g/join ## Important Links - Join My Discord: https://discord.gg/ux9BchWEW3 - Follow tapaScript on GitHub: https://github.com/tapascript - Download the Template: https://topmate.io/tapasadhikary/1737706 - Fake API Repo: https://github.com/tapascript/fake-apis - Source Code Used: https://github.com/tapascript/15-days-of-react-design-patterns - Code in React 19 Repo: https://github.com/atapas/code-in-react-19 ## If you enjoyed this, check out my other popular series: 40 Days of JavaScript ✅ Start 40 Days of JavaScript: - https://youtu.be/t8QXF85YovE?si=r9sGtJZPtgBl2V27 ✅ Here is another JavaScript Learning Path I recommend: - https://scrimba.com/t0js?via=tapascript ✅ Download the 40 Days of JavaScript Tracker Template: - Link to the template: https://topmate.io/tapasadhikary/382755 ## 👋 Like my work? Thank You! - Join as a Member: https://www.youtube.com/channel/UCaYr5yxgOyk599Mnb3TGh-g/join - Sponsor Me: https://github.com/sponsors/atapas - Sponsor my Blog: https://blog.greenroots.info/sponsor ## 🤝 My Links: - Blog: https://blog.greenroots.info/ - Follow on X(Twitter): https://twitter.com/tapasadhikary - Connect on LinkedIn: https://www.linkedin.com/in/tapasadhikary/ - Follow My Work on GitHub: https://github.com/atapas ## About Me: Tapas Adhikary is an Educator at tapaScript, a Tech enthusiast, Writer, YouTuber, and maintainer/contributor of open-source projects. He is a full-stack developer with vast experience building SaaS solutions. He is the founder of the ReactPlay platform, which is driven by open-source projects and a fast-growing community. You can find more about him at https://tapasadhikary.com & https://tapascript.io #reactjs #designpatterns #reactcourse #learnreact