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useMemo Explained | React Hooks useMemo Tutorial

Web Dev Roadmap for Beginners (Free!): https://bit.ly/DaveGrayWebDevRoadmap useMemo explained with several easy-to-follow examples. This React Hooks useMemo tutorial will show you why and how to apply the useMemo React hook to improve your React app performance and gain referential equality. 🚩 Subscribe ➜ https://bit.ly/3nGHmNn 🚀 React JS for Beginners full course - 9 hours:    • React JS Full Course for Beginners | Compl...   🔗 Source Code: https://github.com/gitdagray/usememo_tut useMemo Explained | React Hooks useMemo Tutorial (00:00) Intro (00:08) Welcome and Overview (00:33) Identifying the need for useMemo (02:10) useMemo for performance optimization (02:59) useMemo for referential equality (04:00) useMemo vs useCallback Part 1 (04:17) Primitive values in a hook dependency array (06:12) Eliminate the performance lag with useMemo (07:48) useMemo vs useCallback Part 2 (09:47) Achieving referential equality for an array with useMemo 🔗 ES7 React JS Snippets Extension for VS Code: https://marketplace.visualstudio.com/... 🔗 React Dev Tools Extension for Chrome: https://chrome.google.com/webstore/de... 📚 References: ReactJS Official site: https://reactjs.org/ React Wikipedia: https://en.wikipedia.org/wiki/React_(...) React Jobs: https://www.ziprecruiter.com/candidat... ✅ Follow Me: Twitter:   / yesdavidgray   LinkedIn:   / davidagray   Blog: https://yesdavidgray.com Reddit:   / daveoneleven   Was this tutorial about the React hook useMemo helpful? If so, please share. Let me know your thoughts in the comments. #usememo #react #hooks