Object-Oriented JavaScript

Classes, Prototypes, and Inheritance

2026-02-01

Object-Oriented JavaScript

JavaScript supports multiple programming paradigms, including object-oriented programming. Learn how to structure your code using classes, prototypes, and inheritance patterns.

Core Concepts

Classes - ES6 class syntax and patterns
Prototypes - JavaScript's inheritance model

Learning Path

Start with Prototypes - understand how JavaScript inheritance actually works
Learn Classes - the modern syntax built on top of prototypes

Prerequisites

Before learning OOP in JavaScript, make sure you understand:

Objects
Functions
The this Keyword

Compare with Other Languages

See how OOP works in other languages:

Python OOP
Ruby OOP
Java OOP
Go OOP