Core Concepts

Basics

Fundamentals

Functions, Scope & This

Prototype & Inheritance

Error Handling

Advanced (ES6+)

Modern Features

Asynchronous

Classes

Module System

Generators & Iterators

OOP

Regular Expression

Performance Optimization

Web APIs

Common APIs

DOM Manipulation

Event Handling

window & Browser APIs

Fetch API

Timers

Web Storage APIs

File API

Notifications API

Geolocation API

Advanced APIs

Canvas & WebGL

Intersection Observer

Built-in Objects

Object

Array

String

Number

Math

Date & Time

JSON

Map, Set

WeakMap/WeakSet

Error