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Can someone help me understand this sintax? 🤔

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Isaac-. Автор вопроса

my first arrow function is taking and argument and then is returning another function so when i do pass the second argument i am executing the returning function well, it was confusing at first lol

Did you get it?

Isaac-. Автор вопроса
Abu
Did you get it?

yep... but isn't it rare? or better say, what are the use cases for this?

Isaac .
yep... but isn't it rare? or better say, what ar...

I use it quite often for saving temporary data in closure

Abu
I use it quite often for saving temporary data in ...

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Closures

Isaac .
screenshot my first arrow function is taking and argument an...

It's called higher order function pattern.

Isaac .
yep... but isn't it rare? or better say, what ar...

One case is action creator function in Redux thunk that you need to return another function to do asynchronous stuff

Isaac-. Автор вопроса
Abu
I use it quite often for saving temporary data in ...

Yes . Where I see it was in a react native project to pass some argument as first parameter and then a dispatch function , so it makes sense in that case .

Isaac-. Автор вопроса
AlY
One case is action creator function in Redux thunk...

I use redux Thunk brainless at this point . In this case was using it with useReducer , then I realized that it is what redux Thunk does

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