March 2021
Beginner
404 pages
5h 47m
English
Content preview from Learn to Code With JavaScript
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Chapter 12: Going Loopy Over Arrays
You’re now a good three quarters of the way through this book and well on your way to learning how to code. In fact, you already know enough to be able to write some short programs.
Now that you’ve learned the basics, it’s time to dive a bit deeper into some more advanced topics in the last quarter of the book. The last few chapters will focus on some of the more specific parts of JavaScript—although a lot of the overarching concepts will still apply in other languages.
In this chapter, we’re going to learn about how to iterate over collections such as arrays and objects. We’ll be covering the following:
- spreading strings
- array iteration
- JavaScript array iteration methods:
forEach,map,reduce,filter, ...
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