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JavaScript Online

Free

Learn practical JavaScript the modern way

FreeFree tier
Type
Open Source
Visit Website GitHub (40 stars)

About JavaScript Online

Learn JavaScript Online is an interactive course designed to teach modern JavaScript (ES2015+) through practical, project-based learning. The platform offers the first 77 lessons, 7 chapters of challenges and projects, and mobile flashcards for free. Learners can upgrade to a Pro account with a one-time payment for 5 years of full access. The curriculum covers essential topics like arrays, functions, arrow functions, destructuring, async/await, DOM manipulation, modules, and more, with 17 projects inspired by real-world applications. The course includes a separate flashcards app that uses spaced repetition to reinforce concepts. It is ideal for beginner developers who already have basic programming experience.

Key Features

Modern JavaScript (ES2015+) curriculum
Interactive coding challenges and projects
17 projects inspired by real-world applications
Flashcards with spaced repetition
Free first 77 lessons and 7 chapters
Pro account with one-time payment for 5 years access
Covers topics from fundamentals to advanced concepts

Pros & Cons

Pros
  • Free access to first 77 lessons, 7 chapters, and flashcards
  • Projects inspired by real-world applications for practical learning
  • Flashcards with spaced repetition improve retention
  • Modern curriculum covering ES2015+ features and best practices
  • One-time payment for 5 years of Pro access
Cons
  • Full course requires a one-time payment for Pro account
  • Assumes basic programming knowledge; not ideal for absolute beginners (recommends Learn Programming first)
  • Not an open-source tool (it is a commercial course platform)

Best For

Learning JavaScript fundamentals for beginners with basic programming experiencePreparing for real-world web development projectsReinforcing JavaScript concepts through spaced repetition flashcardsPracticing coding with interactive challenges and project-based exercises

FAQ

Is there a free version?
Yes, the first 77 lessons, challenges, projects (first 7 chapters), and flashcards are free.
What is the pricing for full access?
A one-time payment for a Pro account gives you access for 5 years.
Who is this course for?
It is suitable for beginner developers with basic experience in any programming language. If you are not familiar with programming basics, consider Learn Programming first.