JavaScript Array.map() explained in varying ranges of complexity

The JavaScript Array.map() method is one of the most ubiquitous JavaScript functions. It's in basically every app, website, and code block. Here's an explainer that starts with the basics and increases in complexity. 00:00 Intro 00:29 CodePen setup 01:18 What is Array.map() 02:40 Simplest use of Array.map() 04:25 Implicit returns in Array.map() 05:15 Using the Array index 06:14 Manipulating an array of objects 10:25 Rebuilding each object with Array.map() 12:20 Array.map() with React 15:30 Array.map() returning a React Component 17:35 Wrapping things up

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