A row of tulips in simple vases

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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