March 2021
Beginner
404 pages
5h 47m
English
Content preview from Learn to Code With JavaScript
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Chapter 14: Getting Classy
We first encountered objects in Chapter 9. In this chapter, we’re going to take a more in-depth look at object-oriented programming and how you can use JavaScript to create classes. We’ll be covering the following topics:
- copying objects in JavaScript
- object-oriented programming
- encapsulation
- polymorphism
- inheritance
- classes in JavaScript
- extends
- a Pet Unicorn project
Copying Objects in JavaScript
An important concept in JavaScript is that objects are assigned by reference. This means that, if two variables are assigned to the same object, both variables will point to the same object in memory.
For example, imagine you’re creating a weather app and the variable monday is pointing to a sunny image object. If you assign ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.