Free
CourseLearn Intermediate JavaScript
Take your JavaScript knowledge to the next level by learning how to use advanced functions to create more efficient programs.
Skill level
IntermediateTime to complete
Approx. 10 hoursCertificate of completion
Included with paid plansPrerequisites
1 courseWe suggest you complete the following courses before you get started with Learn Intermediate JavaScript:- Learn JavaScript
About this course
You’ve learned the programming fundamentals using the latest JavaScript syntax to create dynamic web apps, but you want to do more! With Intermediate JavaScript, you’ll understand how to incorporate JavaScript in bigger and more complex web apps using concepts such as classes, promises, async/await, and requests.
Syllabus
6 lessons • 5 projects • 6 quizzesThe 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.
Projects in this course
- Project
Build a Library
In this project, we're going to practice Classes in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? You'll practice utilizing the power of object-oriented programming and implement non repetitive code with concepts like inheritance. - Project
School Catalogue
In this project, we're going to practice Classes in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? You'll gain confidence in extending classes to their subclasses, then linking their shared methods and properties. - Project
Message Mixer
It's time to build fluency in JavaScript Modules. In this project, we're going to practice creating a modular program in a Node.js environment so you can hone your skills and feel confident taking them to the real world. Why? You don't want to copy and paste your functions from file to file. Learn to reuse them by exporting and importing. What's next? A mixer, creating goofy sentences, and more JavaScript. You got this!
Meet the creator of the course
Jiwon Shin
Senior Curriculum Developer at Codecademy Learn Intermediate JavaScript course ratings and reviews
1,612 ratings
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- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Frequently asked questions about Intermediate JavaScript
JavaScript is a client-side scripting language. It’s flexible and versatile, working well with other languages and offering a wide array of libraries and frameworks that streamline development and make it easier to get a project off the ground.
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Looking for something else?
Related resources
- Article
JavaScript: All the Cool Kids Are Doing It
Why is JavaScript so popular? What can you do with it? - Article
Why learn JavaScript foundations?
Learn more about why you should build a strong foundation in JavaScript when you first learn the language. - Article
What is JavaScript?
What is JavaScript, and how does it work?
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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.