Chapter 4. Object-Oriented JavaScript
JavaScript's most fundamental data type is the Object data type. JavaScript objects can be seen as mutable key-value-based collections. In JavaScript, arrays, functions, and RegExp are objects while numbers, strings, and Booleans are object-like constructs that are immutable but have methods. In this chapter, you will learn the following topics:
- Understanding objects
- Instance properties versus prototype properties
- Inheritance
- Getters and setters
Understanding objects
Before we start looking at how JavaScript treats objects, we should spend some time on an object-oriented paradigm. Like most programming paradigms, object-oriented programming (OOP) also emerged from the need to manage complexity. The main idea is ...
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