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Learn modern JavaScript (ES2015+) from scratch, and practice in an intuitive environment. The challenges are inspired by real-world projects to make sure that you're learning the best practices, one step at a time. Try the first 77 lessons, challenges, projects (first 7 chapters) & flashcards for free. You can upgrade to a Pro account with a one-time payment that gives you access for 5 years.
Learn Javascript is suitable for beginner developers who have basic experience in any programming language. Not comfortable with the basics? Then consider Learn Programming which covers the basics.
This course covers the fundamentals of JavaScript. It is the best way to learn JavaScript in 2026.
The course has been reviewed and updated in 2026.
The lessons & challenges will guide you through these topics step by step and its project-based approach will help you reinforce these concepts.
The course assumes that you are familiar with the basics such as variables, functions, arrays, objects, classes as well as some HTML & CSS experience.
Discover advanced class inheritance use cases with this fun project.
Given the necessary CSS code, you're asked to write the code that opens and closes the sidebar of a web page.
Given the necessary CSS code, you're asked to write the code that toggles a page's dark theme.
Build a custom multi-select logic that allows the user to select their preferred currencies.
Implement form validation for a form element.
Implement keyboard shortcuts to open and close an existing modal.
Implement a case-insenstive search from a public spacecraft dataset.
Implement a todo app using an API.
List a GitHub user's repositories using the public GitHub API.
Implement a currency conversion app using a real currency conversion API.
Multi-step final project teaching you how to build a food tracker from scratch. You're only given the HTML, CSS, and API docs.
To better prepare you for the real world, we have 17 projects inspired by popular products. Here are a few examples of these projects.
This course is designed with the learner in mind. That's why we've developed a separate flashcards app where you can reinforce the new concepts that you learned using spaced repetition.
Spaced repetition has been proven to be a more effective learning method.
Jad Joubran is a Google Developer Expert, Microsoft Most Valuable Professional (2019-2022), and Freelance Web Performance Consultant based in Amsterdam.
His passion for JavaScript led him to create and develop the most interactive, step by step courses for JavaScript, React, Programming basics, and HTML CSS.
Try the first 77 lessons, challenges, projects (first 7 chapters) & flashcards for free. No time limit.
The remaining chapters require a PRO account.
We do not like subscriptions. This is why Learn JavaScript PRO can be unlocked for a single payment that gives you access for 5 years.
Check out the payment page. We recommend that you complete the free trial before upgrading.
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