June 2018
Beginner
288 pages
6h 31m
English
Content preview from Rediscovering JavaScriptBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.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.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.
Wrapping Up
JavaScript supports object-oriented programming, but unlike most of the other mainstream languages, it offers prototypal inheritance instead of class-based inheritance. The updated syntax for inheritance is similar to the one in Java, but the semantics remain true to the roots of JavaScript. It is much easier now to use inheritance and to override methods. The code is easier to understand and to maintain, and it is not prone to errors as it was in the past. Furthermore, you can directly and comfortably use inheritance instead of relying on libraries to do it for you. In addition to supporting inheritance, JavaScript provides a special symbol, species, that can be used to control the type of instance that’s created when working with ...
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