React Optimisation using React.memo | How to prevent unnecessary rerenders?

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ะŸะพะบะฐะทะฐั‚ัŒ ะพะฟะธัะฐะฝะธะต
๐—›๐—ผ๐˜„ ๐˜๐—ผ ๐—ฝ๐—ฟ๐—ฒ๐˜ƒ๐—ฒ๐—ป๐˜ ๐˜‚๐—ป๐—ป๐—ฒ๐—ฐ๐—ฒ๐˜€๐˜€๐—ฎ๐—ฟ๐˜† ๐—ฟ๐—ฒ-๐—ฟ๐—ฒ๐—ป๐—ฑ๐—ฒ๐—ฟ๐˜€ using "๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜.๐—บ๐—ฒ๐—บ๐—ผ"?

So whenever there is a re-render in the parent, For a child it will compare the props and if all the props are the same it reuses the memoized result skipping the next rendering.

Topics covered:
1. How does React work?
2. Different phases of re-rendering
5. Important points to look before doing optimisations
6. Final Summary

Other Videos:

React Hooks for Beginners

React Projects for Beginners:

React Beginners Series:

Connect with me:

Would love to mentor you or answer your queries personally on programming
ะ ะตะบะพะผะตะฝะดะฐั†ะธะธ ะฟะพ ั‚ะตะผะต
ะšะพะผะผะตะฝั‚ะฐั€ะธะธ
ะะฒั‚ะพั€

Thanks, it is a must known for anyone using React !

trilok
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Great voice is boom
Deep in consept
One of the best video on react on yt
Plz upload all dsa and all video

rushabhkhope
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Nice work Varun, very good explanation

manojkumarp
ะะฒั‚ะพั€

Great content! I just wanted to clarify a minor missing point. Up to how many miliseconds is ok to not wrap component with memo? E.g. 100ms+ should use memo?

kenanyildiz
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