Скачать или смотреть Map-Filter-Reduce: Polyfills.

In this video, we'll be looking at the 3 array methods, map, filter, and reduce, and how to create our own polyfill for these methods.

Javascript Polyfills Playlist:    • Javascript polyfills  

⌚Timestamps:
0:00 - Introduction
0:30 - Map method polyfill.
2:56 - Map edge case
5:30 - Filter polyfill
7:29 - Reduce polyfill
12:46 - Outro

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