Free
CourseLearn Intermediate JavaScript
Take your JavaScript knowledge to the next level by learning how to use advanced functions to create more efficient programs.
This course includes
This course includes
Skill level
IntermediateTime to complete
Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary11 hoursProjects
5Prerequisites
1 courseWe suggest you complete the following courses before you get started with Learn Intermediate JavaScript:- Learn JavaScript
About this course
Build on your JavaScript foundation with Intermediate JavaScript. This course dives into advanced concepts like classes, promises, async/await, and requests. You’ll learn how to create more dynamic and efficient web applications while mastering essential techniques for structuring and optimizing large-scale projects.
Skills you'll gain
Understanding currying, hoisting, and concurrency
Structuring web apps with classes and modules
Using promises and async/await for asynchronous programming
Managing efficient web app requests
Syllabus
6 lessons • 5 projects • 6 quizzesCertificate of completion available with Plus or Pro
Earn a certificate of completion and showcase your accomplishment on your resume or LinkedIn.
Projects in this course
- practice 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. - practice 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. - practice Project
WorkAround Explorer
It's time to build fluency in JavaScript Modules. In this project, we're going to practice building a modular program in JavaScript so you can hone your skills and feel confident taking them to the real world. Why? Modules can keep your code clean and organized. They also enable programmers to share functionality without "reinventing the wheel" What's next? Salaries, replacing your calculator with automation, more JavaScript. You got this!
Meet the creator of the course
Jiwon Shin
Manager of Programming at CodecademyEarn a certificate of completion
Show your network you've done the work by earning a certificate of completion for each course or path you finish.- Show proofReceive a certificate that demonstrates you've completed a course or path.
- Build a collectionThe more courses and paths you complete, the more certificates you collect.
- Share with your networkEasily add certificates of completion to your LinkedIn profile to share your accomplishments.
Reviews from learners
- 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.
Join over 50 million learners and start Learn Intermediate JavaScript today!
Looking for something else?
Related resources
- Article
Why JavaScript Is Essential
Learn what is JavaScript and why it is the most popular programming language. Discover its history, web development role, backend capabilities, and future potential in technology. - 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.