Variables, arrays and (new to JS2015) constants are central to JavaScript: arrays (or array-like structures) are created in most DOM selections; variables and constants are irreplaceable features in making adaptable, powerful scripts.

This reading list takes you through the fundamentals of variables and arrays, and remains under constant development.

Time: 40 minutes

Prerequisites: JavaScript Fundamentals

1. var
2. let
3. const
4. Data Types
5. Arrays
6. push, pop, shift & unshift
7. fill & reverse
8. sort & shuffle
9. every & some
10. includes & indexOf
11. Nested Arrays & Object Literals

Photograph by Graeme Tozer, licensed under Creative Commons

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