Chapter 7. Objects and Prototypal Inheritance
JavaScript is an object oriented programming language. However, unlike most other object oriented languages, JavaScript does not have classes. Instead, JavaScript offers prototypes and prototype-based inheritance in which objects inherit from other objects. Additionally, the language offers constructors—functions that create objects, a fact that often confuses programmers and hides its nature. In this chapter we’ll investigate how JavaScript objects and properties work. We’ll also study the prototype chain as well as inheritance, working through several examples in a test-driven manner.
7.1 Objects and Properties
JavaScript has object literals, i.e., objects can be typed directly into a program ...
Get Test-Driven JavaScript Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
