23 Lessons
Zero to Senior SDE
★ 4.98
(5,400+ Engineers Enrolled)
JavaScript & Advanced ES6+ (0-to-Hero Big Tech Standard)
From What is JS to V8 Internals, Execution Context, Memory Profiling & Polyfills
⏱️ 65 Hours
📖 6 Modules
⚡ 23 Interactive Lessons
🏆 Free Verified Certificate
Complete Track Curriculum & Modules
Step-by-step interactive lessons with live browser compilers & coding assignments.
23 Lessons
1
5 Lessons
Module 1: Foundations & Evolution (Zero Level to Syntax Mastery)
01. What is JavaScript? History, TC39 & Client vs Server Execution
⏱️ 35 mins
•
⚡ Interactive Sandbox
02. How Browsers Execute JS & The Critical Rendering Path
⏱️ 40 mins
•
⚡ Interactive Sandbox
03. Datatypes Deep Dive: Primitives vs Reference Objects & Memory Layout
⏱️ 45 mins
•
⚡ Interactive Sandbox
04. Variables, Scope & The Temporal Dead Zone (var vs let vs const)
⏱️ 45 mins
•
⚡ Interactive Sandbox
05. Type Coercion, Equality Quirks (== vs ===, NaN & Object.is)
⏱️ 40 mins
•
⚡ Interactive Sandbox
2
3 Lessons
Module 2: V8 Engine Internals & Execution Context Architecture
06. Google V8 Engine Architecture: Ignition, Sparkplug & TurboFan
⏱️ 50 mins
•
⚡ Interactive Sandbox
07. Execution Context Lifecycle: Creation Phase vs Execution Phase
⏱️ 45 mins
•
⚡ Interactive Sandbox
08. Garbage Collection Mechanics & Memory Leak Profiling
⏱️ 50 mins
•
⚡ Interactive Sandbox
3
4 Lessons
Module 3: Functions, Closures & Functional Programming Patterns
09. First-Class Functions, Arrow Functions & Lexical this Binding
⏱️ 40 mins
•
⚡ Interactive Sandbox
10. Closures Deep Dive: Encapsulation, Factory Functions & Memory Overhead
⏱️ 50 mins
•
⚡ Interactive Sandbox
11. Currying, Partial Application & Function Composition (Pipe/Compose)
⏱️ 45 mins
•
⚡ Interactive Sandbox
12. Method Borrowing: call(), apply(), bind() & Custom Polyfills
⏱️ 45 mins
•
⚡ Interactive Sandbox
4
4 Lessons
Module 4: Asynchronous Architecture, Event Loop & Promises
13. Event Loop Masterclass: Call Stack, Web APIs, Microtasks & Macrotasks
⏱️ 55 mins
•
⚡ Interactive Sandbox
14. Promises Architecture: States, Chaining & Custom MyPromise Polyfill
⏱️ 55 mins
•
⚡ Interactive Sandbox
15. Promise Combinators: all, allSettled, race, any & Concurrency Control
⏱️ 50 mins
•
⚡ Interactive Sandbox
16. async/await Internals, Generators (function*) & Coroutine Emulation
⏱️ 50 mins
•
⚡ Interactive Sandbox
5
3 Lessons
Module 5: Objects, Prototypes, Classes & Metaprogramming
17. Prototypal Inheritance, Prototype Chain & __proto__ vs prototype
⏱️ 45 mins
•
⚡ Interactive Sandbox
18. ES6 Classes, Static Blocks, Private Fields and Subclassing
⏱️ 45 mins
•
⚡ Interactive Sandbox
19. Metaprogramming with Proxy & Reflect API (Reactive State Engine)
⏱️ 50 mins
•
⚡ Interactive Sandbox
6
4 Lessons
Module 6: Browser DOM, Event Architecture & High-Scale Polyfills
20. DOM Event Propagation: Capturing, Target, Bubbling & Delegation
⏱️ 45 mins
•
⚡ Interactive Sandbox
21. Debouncing vs Throttling: Production Polyfills with Leading & Trailing Flags
⏱️ 50 mins
•
⚡ Interactive Sandbox
22. Big Tech Machine Coding: Custom EventEmitter & PubSub System
⏱️ 55 mins
•
⚡ Interactive Sandbox
23. Big Tech Machine Coding: Deep Clone with Circular References & LRU Cache
⏱️ 60 mins
•
⚡ Interactive Sandbox
Target Big Tech Roles
Google / Meta SDE-2
Senior Full-Stack Architect
Lead Backend Engineer
Skills You Will Master
- Production-Grade Clean Architecture
- V8 Internals, Memory Profiling & Leaks
- Time & Space Complexity Optimization
- Big Tech Behavioral & System Design Edge
Verified Digital Certificate
Complete all 23 lessons to earn a verifiable certificate with unique validation hash for LinkedIn.
Sign In to Unlock Certificate →
⚡
Live Interactive Sandbox
Test real-time code without installing Node, Python or C++ locally. Instant output in browser!
Launch Code Sandbox (8-in-1)