Learn useCallback React Hook in 10 Minutes | React Hooks Tutorial for Beginners

In this video we are going learn everything about React Hook useCallback. How we can use useCallback hook to memorize the callback function in our component that will help to optimize the performance of our component. We will also see how we can use the useCallback hook for Referential Equality for passing as props non-primitive JavaScript datatypes functions, objects and array.

***Checkout pre-requites videos in case you have missed ***

🔥 Covered 👇
- useCallback for memorize the callback function
- useCallback for Referential Equality
- useCallback vs useMemo

***Checkout these video to understand better***

***Checkout my crash courses for get started with web development***

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Disclaimer:
It doesn't feel good to have a disclaimer in every video but this is how the world is right now.
All videos are for educational purpose and use them wisely. Any video may have a slight mistake, please take decisions based on your research. This video is not forcing anything on you.

[DeepakGupta-hjdv]

great Sir it would be happy. .please make on video form validation hook tutorial

[shivashankar]

Hi, why don't we use react.memo to prevent the rendering instead of call back the function and passing as prop in parent. At the end of thr day react.memo also doing the same. Hope you got my question.

[ahmedabed]

Thank you!
what is the difference between React.memo and useMemo() ?
in this case of useCallBack() why exactly we need to memorise the function?
and rendering means the refresh of the page? thank you!

[vlogging-nk]

Hi Dipesh,
I really want to know how to do scss compiler to css in ReactJS? Can you please suggest me