June 2016
Beginner to intermediate
292 pages
6h 8m
English
Content preview from Mastering JavaScript Object-Oriented ProgrammingBecome 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,
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OOP principles support
The second requirement that allows us to consider JavaScript as an Object-Oriented language involves the support of at least three principles—encapsulation, inheritance, and polymorphism. Let analyze how JavaScript supports each of these principles.
Encapsulation
Objects are central to the Object-Oriented Programming model, and they represent the typical expression of encapsulation, that is, the ability to concentrate in one entity both data (properties) and functions (methods), hiding the internal details.
In other words, the encapsulation principle allows an object to expose just what is needed to use it, hiding the complexity of its implementation. This is a very powerful principle, often found in the real world that allows ...
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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.