Learn JavaScript
Learn how to use JavaScript — a powerful and flexible programming language for adding website interactivity.
Skill level
BeginnerTime to complete
Approx. 20 hoursCertificate of completion
Included with paid plansPrerequisites
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 quizzes4 out of 5 Codecademy learners achieve their goals
"Codecademy gave me the tools I needed to land my first job as a developer, completely changing my career from the waste industry." - Jonathan Manner, Sweden
Projects in this course
- Project
Kelvin Weather
In this project, we're going to practice variables and printing to the console in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? You've got to master the basics. Get comfortable with these fundamentals. - Project
Dog Years
In this project, we're going to practice variables and strings in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? These concepts will help you use your data to output information to your users. - Project
Magic Eight Ball
Build a virtual Magic Eight Ball using control flow in JavaScript. You’ll practice building decision-making into your programs and gain confidence in writing more robust JavaScript code.
Learn JavaScript course ratings and reviews
- 5 stars
- 4 stars
- 3 stars
- 2 stars
- 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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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.