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JavaScript: The Advanced Concepts

Learn modern, advanced JavaScript concepts and practices to be in the top 10% JavaScript Developers this year. This Advanced JavaScript course is even used as reference material to study for some FAANG company interview processes.

35 Days

Average time students take to complete this course.

Taught by: Andrei Neagoie
Last updated: July 2024

Course overview

Updated for 2024! This course is unlike any JavaScript course you will find online. After many years of working with JavaScript on a daily basis, Andrei has now combined best practices from his own experience and decades of experience from some of the top developers in the world, to create a course that turns you into a top performing JavaScript Developer.

What you'll learn

  • Advanced JavaScript Practices
  • Object Oriented Programming & Functional Programming
  • Scope and Execution Context
  • Inheritance + Prototype Chain
  • Latest features: ES6, ES7, ES8, ES9, ES10, ES2020~ES2023
  • Closures
  • Asynchronous JavaScript + Event Loop
  • JavaScript Modules
  • JavaScript Engine and Runtime
  • `this` keyword
  • Stack Overflow
  • Error Handling
  • Composition vs Inheritance
  • Memory Leaks
  • Pass By Reference vs Pass by Value
  • Type Coersion
  • IIFE, Higher Order Functions
  • Interpreter/ Compiler/ JIT Compiler
  • .call(), .apply(), .bind()
  • Hoisting
  • Garbage Collection
  • JavaScript best practices

This Advanced JavaScript course by Andrei Neagoie will take you from understanding the basics of JavaScript, to learning it to the point that you can teach it to others, impress coworkers, and wow future employers.

Which must be the reason that it's even being used as reference material by some FAANG companies as recommended content to use to study for their interview processes.

And the results speak for themselves.

Graduates of Zero To Mastery are now working at Google, Tesla, Amazon, Apple, IBM, Uber, Facebook, Shopify + other top tech companies.

They are also working as top freelancers getting paid while working remotely around the world.

This can be you.

By enrolling today, you’ll also get to join our exclusive live online community classroom to learn alongside thousands of students, alumni, mentors, TAs and Instructors.

Active. Thriving. Supportive. Helpful. Friendly. Motivating. Essential.

These are just a few of the words students use to describe the ZTM Discord which is also one of the biggest and most active developer communities on Discord.

Most importantly, you will advanced JavaScript concepts and best practices from an industry expert that has actual real-world experience working for top companies in both Silicon Valley and Toronto.

This course is the accumulation of years in the field and combining the best resources, tools, and tutorials out there to create the ultimate JavaScript course that teaches you everything you need to know to be considered a Senior Javascript Developer.

Instead of spending years learning these advanced JavaScript topics, you can fast track and get the knowledge that Senior Javascript Developers have in just 30 days.

Unlike most other online courses, you are going to learn beyond the basics. You won't just learn patterns, techniques and best practices.

You are going to understand the "why" of the toughest part of the language, to the point that when you get asked any question about JavaScript in an interview or in a meeting, you will be able to explain concepts that would make people see that you are a Senior Javascript Programmer.

You are going to dive deep into JavaScript and I'm going to make sure you come out the other side as a confident, advanced JavaScript Developer. I guarantee it.

Whether you are a Web Developer, Frontend Developer (using something like React, Angular, Vue.js), or a Backend Developer using Node.js, you will benefit from this course because JavaScript is at the core of all of these professions.

The topics you'll learn in this Advanced JavaScript course:

  • Javascript Engine
  • Javascript Runtime
  • Interpreter, Compiler, JIT Compiler
  • Writing Optimized Code
  • Call Stack + Memory Heap
  • Stack Overflow + Memory Leaks
  • Garbage Collection
  • Node.js
  • ES6, ES7, ES8, ES9, ES10, ES2020, ES2021, ES2022 features
  • Single Threaded Model
  • Execution Context
  • Lexical Environment
  • Scope Chain
  • Hoisting
  • Function Invocation
  • Function Scope vs Block Scope
  • Dynamic vs Lexical Scope
  • this: call(), apply(), bind()
  • IIFEs
  • Context vs Scope
  • Static vs Dynamically Typed
  • Primitive Types
  • Pass by Reference vs Pass by Value
  • Type Coercion
  • Arrays, Functions, Objects
  • Closures
  • Prototypal Inheritance
  • Class Inheritance
  • Memoization
  • Functions vs Objects
  • Scheme + Java in JavaScript
  • OOP (Object Oriented Programming)
  • Private vs Public Properties
  • Functional Programming
  • Immutability
  • Imperative vs Declarative code
  • Composition vs Inheritance
  • Currying
  • Partial Application
  • Pure Functions
  • Referential Transparency
  • Compose
  • Pipe
  • Error Handling
  • Asynchronous JavaScript
  • Callbacks, Promises, Async/Await
  • Event Loop + Callback Queue
  • Task Queue + Microtask Queue
  • Concurrency + Parallelism
  • Modules in Javascript

What's the bottom line?

Having a deep understanding of these core JavaScript concepts is key to taking your career as a Developer to the next level.

They are timeless topics that will also allow you to stay current with any new library or framework that comes out in the JavaScript ecosystem.

I guarantee that you won't find a course as detailed and as well explained as this one. And by the end of the course, you will be in the top 10% of JavaScript Developers 💪.

When's the best time to get started? Today!

There's never a bad time to learn in-demand skills. But the sooner, the better. So take your first step to becoming a Senior JavaScript Developer by joining the ZTM Academy. You'll have a clear roadmap to developing the skills to build your own projects, get hired, and advance your career.

Join Zero To Mastery Now

Don't just take our word for it

Our courses and community have helped 1,000s of Zero To Mastery students go from zero to getting hired to levelling up their skills and advancing their careers to new heights.

Rated 4.8/5.0 on TrustPilot by 100s of happy students

Sergey Sharonov

Very good coverage of intermediate and advanced JS topics, including latest ES standards, with lots of bonus material and exercises. I liked the way Andrei writes codes live, make small mistakes and fixes them on the fly explaining any tricky parts.

Sergey Sharonov

Ludolf Pretorius

Andrei breaks down concepts in such a way that it's easy for anyone to understand. The content is very thorough and includes topics that I have struggled to find good documentation on. I feel confident in my level as a developer because of this course.

Ludolf Pretorius

Mark Anthony Servanda

I've never been so motivated to learn more about JavaScript and web development in general since I started this course. I've been coding for years and missing some important concepts and best practices which this course helped me to internalize.

Mark Anthony Servanda

James Whitney

This course is fantastic and has definitely made me a better and more confident JavaScript developer. Andrei is a great instructor and I would recommend this course to anyone looking to gain a deeper understanding the language.

James Whitney

This course was so great. Thanks to this course, I got a job! I also got a better understanding of Javascript and much more. I really thank you Andrei, you made me a wiser and more confident developer.

Eduardo Baños

I took this after Andrei's Complete Web Developer. This course made me such a better developer, who understands programming and JavaScript concepts so much better. I'm glad I took this course. The job offers are already starting to arrive :)

Shakked Brand

Course curriculum

To make sure this course is a good fit for you, you can start learning advanced JavaScript concepts for free right now by clicking any of the PREVIEW links below.


4 lectures

JavaScript Foundation

25 lectures

Javascript Foundation II

26 lectures

Types in JavaScript

12 lectures

The 2 Pillars: Closures and Prototypal Inheritance

26 lectures

Object Oriented Programming

19 lectures

Functional Programming

20 lectures


3 lectures

Asynchronous JavaScript

12 lectures

Modules in JavaScript

10 lectures

Meet your instructor

Your JavaScript instructor (Andrei) isn't just an expert with years of real-world professional experience. He has been in your shoes. He makes learning fun. He makes complex topics feel simple. He will motivate you. He will push you. And he will go above and beyond to help you succeed.

Andrei Neagoie

Hi, I'm Andrei Neagoie!

Andrei, lead instructor of Zero To Mastery Academy, has taught 1,000,000+ students worldwide how to code and get hired. ZTM grads work for world-class companies like Apple, Google, Amazon, Tesla, IBM, Facebook, Shopify and many more.


Andrei Neagoie

Senior Software Engineer

Frequently asked questions

Are there any prerequisites for this course?

  • Basic understanding of JavaScript. Don't know JavaScript? No problem, you'll also get access to Andrei's Coding Bootcamp which will teach you everything you need to know to get up to speed
  • A computer (Linux/Windows/Mac) with an internet connection

Who is this course for?

  • Developers who want to be considered in the top 10% of JavaScript programmers
  • Junior Web Developers and JavaScript Developers that want to boost their skills and confidence by learning intermediate and advanced JavaScript concepts
  • Programmers and Bootcamp graduates who don't want to waste time on the basics found in a majority of the coding tutorials and courses out there
  • You want to learn Advanced JavaScript from a Senior Developer that has real-world experience working in the industry

Do you provide a certificate of completion?

We definitely do and they are quite nice. You will also be able to add Zero To Mastery Academy to the education section of your LinkedIn profile as well.

Are there subtitles?

Yes! We have high quality subtitles in 11 different languages: English, Spanish, French, German, Dutch, Romanian, Arabic, Hindi, Portuguese, Indonesian, and Japanese.

You can even adjust the text size, color, background and more so that the subtitles are perfect just for you!

Still have more questions about the Academy?

Still have more questions specific to the Academy membership? No problem, we answer some more here.

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