React memo - You Lose Performance Without It

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Learn React memo and how to use it correctly to reduce the amount of rendering in your application. We will also write a custom comparator to tell React when to render component.

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0:00 Introduction
0:26 Rendering problem in React
2:46 Adding React memo
3:27 Why React memo?
5:01 React memo comparator

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Wow, great video! Lots of useful information. Didn't know about "every" array method in JS, looks much simpler for comparing than using find method twice for each of the arrays. It would be great if you have covered useMemo hook, but for getting into all of the optimization stuff with React, this is a great video. Thanks!

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