How to use Reduce? Converting arrays to other types

Опубликовано: 18 Февраль 2026
на канале: Mario Souto - Dev Soutinho
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Have you ever used JavaScript's `reduce` method, or are you always hesitant and find it too confusing? In this video, we'll explore several ways to use this Array method, which, in addition to serving as the basis for creating all the functional methods we have, is extremely useful when we need to transform an array into some other data type. Remember that we also have to be careful with complexity when reading the code.

Now, enough talk, let's watch the video! 😋

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⏳ Video Chapters
00:00 Introduction
01:09 First contact with reduce
03:16 Reduce from array to string
05:48 Reduce from array to objects

#JavaScriptMap #JavaScriptTips #JavaScriptForEach