How to Use Map, Filter, & Reduce in JavaScript

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Functional techniques can help you write more declarative code that is easier to understand at a glance, refactor, and test.

One of the cornerstones of functional programming is its special use of lists and list operations. And those things are exactly what they sound like: arrays of things and the stuff you do to them. But the functional mindset treats them a bit differently than you might expect.

This video will take a close look at the "big three" list operations: map, filter, and reduce. Wrapping your head around these three functions is an important step towards being able to write clean, functional code, and it opens the doors to the vastly powerful techniques of functional and reactive programming.

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Комментарии
Автор

I have gone through nearly 8 videos regarding the Reduce method in JS and this is by far the best explanation. Thanks

iyactechnologies
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accumulator! now i wont ever for get that! (it helps whenever an instructor or learning applies some of that isolation principle through the von Restorff effect.) thank you for this

luciusrex
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Loved this video..Thank you so much !!!

venkateshkrishna
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can I know the hot key for deleting the whole word in vs code? just like you did it in 7:05

razeev