Object-Oriented Programming in JavaScript: Javascript Guide (2026)

Progress 1 / 15

Functions & Scope

DOM & Browser

ES6+ Modern JS

Async JavaScript

Advanced Concepts

OOP & Patterns

Performance & Optimization

Tooling & Ecosystem

Object-Oriented Programming in JavaScript

Advanced Topic 1 of 15

JavaScript supports OOP using prototypes and ES6 classes.

Core Pillars: Encapsulation, Abstraction, Inheritance, Polymorphism.

Classes in JavaScript

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Object-Oriented Programming in JavaScript