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BeginnerProgramming Languages

~30 Hours 16 Lessons100% Free

JavaScript Complete Professional Reference

Master modern ECMAScript from core syntax to closures, asynchronous programming, event loop, and web APIs.

The complete JavaScript curriculum: variables, data types, scoping, functions, array methods, DOM manipulation, promises, async/await, closures, prototypes, event loop mechanics, and modular software architecture.

What You Will Learn

Modern ES6+ Syntax (let/const, arrow functions, destructuring)
Asynchronous JS (Promises, async/await, Fetch API)
DOM & Event-Driven Architecture
Closures & Scope Chain Execution Contexts
The Event Loop, Microtasks & Macrotasks
Object-Oriented & Functional JavaScript Patterns

Prerequisites & Environment

HTML & CSS Fundamentals

Complete Course Curriculum (16 Modules)

16 In-Depth Lessons

Module 01

Module 1: JavaScript Engine & V8 Architecture

1 Lessons

How V8 parses, compiles (JIT), and executes JavaScript code.

1.1JavaScript Introduction & Execution Engine

Module 02

Module 2: Variables, Data Types & Immutability

1 Lessons

Primitives, heap references, memory pointers, type coercion, and immutability.

2.1Primitives vs References & Immutability

Module 03

Module 3: Operators, Conditionals & Control Flow

1 Lessons

Arithmetic, logical short-circuiting, ternary operator, switch, and loops.

3.1Logical Short-Circuiting & Modern Control Flow

Module 04

Module 4: Functions, Arrow Syntax & Scopes

1 Lessons

Function declarations, expressions, arrow functions, lexical this, and default parameters.

4.1Functions, Arrow Functions & Lexical 'this'

Module 05

Module 5: Objects, Arrays & Modern ES6+ Methods

1 Lessons

Array iteration (map, filter, reduce, find), Sets, Maps, and object destructuring.

5.1Array Methods (map/filter/reduce), Maps & Sets

Module 06

Module 6: DOM Manipulation & Event-Driven Programming

1 Lessons

querySelector, element creation, event bubbling, capturing, and delegation.

6.1DOM Traversal & Event Delegation Architecture

Module 07

Module 7: Asynchronous JavaScript, Promises & Async/Await

1 Lessons

The Event Loop, Microtasks, Promises, and async/await error handling.

7.1Promises, Async/Await & Error Handling

Module 08

Module 8: Closures, Lexical Scope & Private Variables

1 Lessons

Execution contexts, call stack, closures, and data encapsulation.

8.1Closures, Lexical Scope & Private Variables

Module 09

Module 9: Object-Oriented JS, Prototypes & Classes

1 Lessons

Prototype chain, ES6 class syntax, inheritance, getters/setters, and static methods.

9.1ES6 Classes, Inheritance & Prototype Chains

Module 10

Module 10: Web APIs, Fetch & Browser Storage

1 Lessons

Fetch API, AbortController, URLSearchParams, IntersectionObserver, and Web Workers.

10.1The Fetch API, AbortController & Web APIs

Module 11

Module 11: Modular JavaScript, Tooling & Performance

1 Lessons

ES Modules (import/export), tree-shaking, memory leak prevention, and performance profiling.

11.1ES Modules & Memory Optimization

Module 12

Module 12: V8 Engine Internals: Bytecode, TurboFan JIT & Hidden Classes

1 Lessons

Understand the V8 JavaScript engine: Ignition bytecode interpreter, TurboFan optimizing JIT compiler, and Hidden Classes (Shapes/Maps).

12.1V8 Engine Architecture: Ignition, TurboFan & Hidden Classes

Module 13

Module 13: Memory Management: GC Generational Model & WeakRef

1 Lessons

Master V8 garbage collection (Scavenge, Mark-Sweep-Compact), WeakRef, FinalizationRegistry, and memory leak elimination.

13.1Memory Management, Generational GC & WeakRef

Module 14

Module 14: Event Loop Internals: Microtasks, Macrotasks & libuv Queues

1 Lessons

Master event loop phases, microtask checkpoints, `queueMicrotask()`, `requestAnimationFrame`, and `process.nextTick`.

14.1Event Loop Architecture: Microtasks, Macrotasks & Queues

Module 15

Module 15: Metaprogramming with Proxy, Reflect, Symbol & Private Brands

1 Lessons

Intercept and customize fundamental language operations with Proxy traps, Reflect methods, Well-Known Symbols, and brand checks.

15.1Metaprogramming with Proxy, Reflect & Brand Checking

Module 16

Module 16: Multi-Threading: Web Workers, Transferables & Atomics

1 Lessons

Achieve true multithreaded JavaScript with dedicated Web Workers, zero-copy Transferable Objects, and SharedArrayBuffer synchronization.

16.1Multi-Threading: Web Workers & Transferable Objects