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Learning TypeScript 2.x - Second Edition
book

Learning TypeScript 2.x - Second Edition

by Remo H. Jansen
April 2018
Beginner content levelBeginner
536 pages
13h 21m
English
Packt Publishing
Content preview from Learning TypeScript 2.x - Second Edition

Encapsulation

We can further improve our Person and Email classes declared in the previous section by increasing the level of abstraction of our classes. For example, when we use the Email class, we don't need to be aware of the existence of the validateEmail method; this method could be invisible from outside the Email class. As a result, the Email class would be much simpler to understand.

When we increase the level of abstraction of an object, we can say that we are encapsulating some logic. Encapsulation is also known as information hiding. For example, the Email class allows us to use emails without having to worry about email validation because the class will deal with it for us. We can make this clearer by using access modifiers ( ...

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Publisher Resources

ISBN: 9781788391474Supplemental Content