Free
Course

Learn JavaScript

Learn how to use JavaScript — a powerful and flexible programming language for adding website interactivity.

4.45 out of 5 stars
Start
2,613,120 learners enrolled
  • Skill level

    Beginner
  • Time to complete

    Approx. 20 hours
  • Certificate of completion

    Included with paid plans
  • Prerequisites

    None

About this course

You interact with JavaScript code all the time — you just might not realize it. It powers dynamic behavior on websites (like this one) and plays an important role in many fields, like front- and back-end engineering, game and mobile development, virtual reality, and more. In this course, you’ll learn JavaScript fundamentals that will be helpful as you dive deeper into more advanced topics.

Skills you'll gain

  • Build core programming concepts

  • Learn object-oriented concepts

  • Read and write JavaScript

Syllabus

11 lessons • 12 projects • 8 quizzes
The platform

Hands-on learning

Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Animated demonstration of running code in Codecademy's learning environment
Meet the creator of the course
Kenny Lin
Web Development Domain Manager at Codecademy
Kenny is the Domain Manager for the Web Development Domain at Codecademy. He contributed to a wide range of courses and paths at Codecademy, including JavaScript, Bootstrap, Handlebars, Phaser.js, Go, Swift, TypeScript, and Lua.

Learn JavaScript course ratings and reviews

4.45 out of 5 stars
21,338 ratings
  1. 5 stars
  2. 4 stars
  3. 3 stars
  4. 2 stars
  5. 1 star
  • This was a great introductory course to learn the basics of coding with JavaScript. I especially enjoyed the practical parts of the course and the useful projects that ensure you have grasped the most important aspects of the materials.
    Gidon F.
    Verified Learner
  • The approach to learning coding through JavaScript was straightforward and made understanding the concepts surprisingly simple. I found the approach of completing tasks in small steps to be helpful. Having tips and solutions to aid my learning helped me understand exactly what I was doing.
    Emmanuel G.
    Verified Learner
  • The lessons were very clear, informative, and easy to understand. I would recommend Codecademy to anyone that wants to learn about coding at your own time and without spending a ridiculous amount of money. 10/10 would recommend!
    Raul M.
    Verified Learner

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Unlock additional features with a paid plan

  • Practice Projects

    Guided projects that help you solidify the skills and concepts you're learning.
  • Assessments

    Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.
  • Certificate of Completion

    Earn a document to prove you've completed a course or path that you can share with your network.

Join over 50 million learners and start Learn JavaScript today!

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Frequently asked questions about JavaScript

  • JavaScript is one of the most popular languages in the world. It’s powerful and versatile, and with HTML and CSS, it forms the foundation of modern web development.