The Complete 2023 Modern Javascript Course with ES6: Beginner to Expert

🎥 31h05min - 254 lectures ∞ Full lifetime access ❂ Certificate of Completion

   Watch Promo

Did you know that JavaScript is the #1 web programming language in the world?

Did you know that Mastering JavaScript (basic & advanced) will make you a highly sought after web developer in the job Market?

The Complete JavaScript Course is now LIVE!


What Students say:

"The course is well structured and well executed. I really enjoy the quality of its contents. Eng. Issam uses excellent methods to simplify relatively difficult programming concepts in a way that make them easy and understandable to everyone who wants to learn."

"The instructor always does his best teaching courses. Last time I enrolled in his "The Complete Web Development Course - Build 15 Projects" course, I learned a lot from there. He teaches slowly and always explains with examples to make it clear and understandable. In this course, he added a real world application: TYPING SPEED APP. I hope after I finish this course, I'll be a JavaScript expert and build a couple of my own real world application to add my Portfolio. Happy learning!!!"


Is this the course for you?

Whether you have no programming background, or you have some experience with JavaScript, but admit that you struggle with advanced JavaScript coding or feel intimidated when you come across “weird” JavaScript concepts like: Closures, Encapsulation or IIFE, this is the course for you!

This course follows a robust structure and a result driven approach based on “learning by doing” which helped our students secure web development jobs in the past. It is the most Comprehensive JavaScript Course in the Market. With 15 highly structured sections distributed over 31 hours of content and 220 lectures, including crystal clear presentations, detailed explanations, coding challenges and a full professional real life project.

In this course, you will go from a beginner to a job ready JS Developer. We will prove to you that concepts like closures, hoisting, IIFE, encapsulation, … are as easy as drinking a glass of water. And you will gain so much power you will use those "weird" concepts to build a fully functional Typing Test App which will make you proud of yourself.


Get the most comprehensive JS on the market today and save £471! (Offer ends on Tue 26/05 at midnight)


To give you the best learning experience, 20 activities including ~ 100 tasks have been added to the course with more content planned ahead. Activities will be available tomorrow Wednesday 27/05.

These activities will help you grasp concepts easily by applying them in exiting and fun examples. The list of activities is as follows:

  • Avoid a Speeding Fine! (4 Tasks)

  • How old will you be in 2040? (9 Tasks)

  • Will you pass? (6 Tasks)

  • Claim Extra points (4 Tasks)

  • Beat Usain Bolt (4 Tasks)

  • Days of the week (2 Tasks)

  • Find a hotel in London (6 Tasks)

  • 24h Schedule App (5 Tasks)

  • Holiday Budget Planner (2 Tasks)

  • The Miami Museum (2 Tasks)

  • Rafael Nadal vs Novak Djokovic (4 Tasks)

  • Mars Invasion (6 Tasks)

  • The Island Treasure (4 Tasks)

  • Fibonacci's honey bees (2 Tasks)

  • Manchester-London Train Simulation (7 Tasks)

  • Hack the recipe (3 Tasks)

  • The Hotel Manager (10 Tasks)

  • Lion, tiger or else? (5 Tasks)

  • Is the library open? (6 Tasks)

  • The Europe Tour (4 Tasks)




This is what you get:

1- Friendly Direct Support from the instructor as well as the active community in the Q&A area.

2- Illustrative Graphics used to explain advanced topics (as if you were 5 :) ).

3- All source code used in the videos.

4- Code as you Go when building the Mega Professional Project so that you never get lost. We developed this new concept based on students feedback.

5- A step by step methodology where we teach you the logic of things and how to think before diving into writing code. This is what today's employers and clients are looking for and value the most!

6- Super strong foundations which will prepare you to learn JS frameworks after you finish this course: AngularJS, React, Node.js, etc.

7- A deep focus on Object Oriented Concepts you would very rarely find in online JS courses (Class Augmentation, Object Cloning, and much more)

8- Highly respected Experience building a Full Advanced Javascript Application which you can customise and add to your CV.

9- Extra content added at no extra charge (extra applications, …)


What are the requirements?

  • There is no pre-knowledge required. This course will take you from zero skills to a job ready JS Developer.
  • All you need is a computer.
  • HTML/CSS can help. But no worries as we included videos teaching HTML/CSS from scratch.

What Will You Learn?
  • Build Advanced Javascript Projects from Scratch using JS's best practises.
  • Write High quality Javascript Code using the Modular Design Pattern.
  • Confidently use advanced concepts like Closures and Encapsulation to build robust Javascript Applications.
  • Meet JS Coding Standards of world class corporations.

Who is the target audience?

  • Students who would like to go from Zero Skills to securing a Javascript Developer Job.
  • Students who know some JS and how to use it, but do not master advanced concepts like IIFE, Closures, etc.
  • Students preparing JS interviews with top Web Development corporations.
  • Students interested in learning top JS frameworks (after finishing this course) used by companies like Facebook, Instagram, Paypal, etc: Angular, React, Node.
  • Students interested in learning beyond coding: thinking and Functional Design.

This is the only course you need to become a professional JavaScript developer! Join the most Comprehensive, Practical and Enjoyable JavaScript in the market today.


Your Instructor


Development Island
Development Island

Development Island is a UK based innovative company specialised in providing the best technology courses on the internet. We are proud to be teaching ~200000 students from 173+ countries. We believe our courses are the best in the market for two reasons:

- We use a practical approach that we developed over years of experience: Learning by doing.

- We make your learning experience enjoyable and fun.




Course Curriculum


  Typing Test App (Advanced Real Life Professional Project)
Available in days
days after you enroll
  ES6 - ES2015: Introduction
Available in days
days after you enroll

Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Get started now!