15 Best JavaScript Courses Online in 2023 [Free + Paid]

First introduced in the mid-90s to make websites interactive, JavaScript currently powers the client side of more than 98% of websites. If you click, drag or move something on a website, there’s a good chance it’s thanks to JavaScript. 

Renowned for being beginner-friendly, you typically don’t need prior programming knowledge to learn JavaScript. And when you factor in the vast array of popular frameworks and libraries like React, Angular, and Vue, it’s no wonder JavaScript is number 1 on the most recent StackOverflow developer survey.

If you’re ready to learn JavaScript but unsure where to start, we’ve got your back. We’ve found the 15 best JavaScript courses online in 2023, so whether you’re a complete beginner or an experienced dev that wants to add to their skills, read on!

Featured JavaScript Courses [Editor’s Picks]

• [Udemy] The Complete JavaScript Course 2023: From Zero to Expert
• [Udemy] JavaScript - Learn by Doing
• [Scrimba] Learn JavaScript for Free 
• [Udacity] Full Stack JavaScript Developer Nanodegree

Choosing the Best JavaScript Course Online

To help you pick the best online JavaScript online course, we’ve curated a list of the 15 best online courses, including information on what you can expect to learn and the pros and cons for each course. When we put our list together, we considered several factors.

1. Creator credibility: How much experience do they have as a programming teacher? What was the ratio of positive student reviews?
2. Content:  How comprehensive and engaging is the curriculum? Are topics relevant to real-world challenges you’ll face as a JavaScript developer?
3. Community: How many people have taken the course or are currently enrolled? How easy is it to find help if you need it?

15 Best JavaScript Online Courses

Want your resume to stand out? Consider adding

The Best JavaScript Certifications

1. [Udemy] The Complete JavaScript Course 2023: From Zero to Expert

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Why we chose this course

As possibly the best JavaScript course on Udemy, this is an excellent choice for complete beginners, as it covers the fundamentals of JavaScript, data structures, DOM, OOP, and asynchronous coding. You’ll also build a geolocation app and a recipe app to practice what you’ve learned.

As a bonus, it also includes an hour crash course on HTML/CSS and extra learning material on how to use NPM (JavaScript package manager) and Git. 

Pros

• Regularly updated & downloadable course content
• Also learn HTML, CSS, & Git
• Suitable for complete beginners

Cons

• Not a quick introductory course so requires a time commitment

Key Information

Platform: Udemy

Course Instructor: Jonas Schedtmann

Level: Beginner

Duration: 69 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +700K

2. [Udemy] Modern JavaScript From The Beginning

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Why we chose this course

If you want to learn pure JavaScript without any frameworks or libraries, this is one of the best JavaScript tutorials. 

As one of the top JavaScript courses online, it covers essential JavaScript concepts like data types, variables, and functions. You’ll also learn advanced topics like DOM manipulation, OOP, asynchronous coding, and JavaScript patterns. After you’ve got the theory, you’ll put it into practice with 10 unique projects.

Pros

• Access to GitHub repo to follow along
• Section on JavaScript patterns
• Build 10 projects for your portfolio

Cons

• Requires basic HTML & CSS knowledge

Key Information

Platform: Udemy

Course Instructor: Brad Traversy

Level: Beginner

Duration: 21.5 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +100k

3. [FreeCodeCamp] JavaScript Algorithms and Data Structures

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Why we chose this course

As one of the most popular JavaScript online courses, this learning path has a truly comprehensive curriculum that takes around 300 hours to complete. Using 100% text-based content, you will learn about ES6 syntax, regular expressions, debugging, data structures, and more.

At the end of the course, you can build out five projects to test your knowledge and add to your portfolio. Any student who successfully builds all five projects will receive a certificate from FreeCodeCamp.

Pros

• Completely free!
• Detailed content from beginner to intermediate topics
• Build 5 apps for your portfolio

Cons

• 100% text-based, so may not be ideal for visual learners

Key Information

Platform: FreeCodeCamp

Course Instructor: N/A

Level: Beginner

Duration: 300 hours (Text-based content)

Free or Paid: Free

Certificate: Yes

Enrolled Students: N/A

4. [TheOdinProject] Full Stack JavaScript

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Why we chose this course

This open-source training course offers a curation of some of the best learning resources on the internet, and it’s also a full-stack program. 

So, not only will you be learning vanilla JavaScript, but it also covers HTML/CSS and React for the front end and Node.js and Express for the backend. You’ll also learn about database management with NoSQL and MongoDB.

Pros

• Regularly updated course content
• Includes a mixture of video & text-based resources
• Active Discord community for support

Cons

• No certificate of completion

Key Information

Platform: The Odin Project

Course Instructor: N/A

Level: Beginner

Duration: 4-6 months (Video & Text-based content)

Free of Paid: Free

Certificate: No

Enrolled Students: N/A

5. [Codecademy] Learn JavaScript

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Why we chose this course

This course will get you up to speed with the basics of JavaScript, including conditionals, functions, iterators, arrays, object-oriented programming (OOP), and more.

Each course section also includes a project where you apply the concepts you’ve learned to build an app, which is a great way to build your portfolio. 

Pros

• Includes 8 quizzes to test your knowledge
• Balanced mix of video & text-based lessons
• Build apps to add to your portfolio

Cons

• May be too basic if you’re familiar with JavaScript
• No lessons on DOM manipulation

Key Information

Platform: Codecademy

Course Instructor: Kenny Lin

Level: Beginner

Duration: 20 hours (Video & Text-based content)

Free of Paid: Paid

Certificate: Yes

Enrolled Students: +2M

6. [JavaScript.Info] The Modern JavaScript Tutorial

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Why we chose this course

If you prefer a text-based approach, this user-friendly JavaScript resource may be the best JavaScript tutorial for you as it contains a rich range of lessons on JavaScript fundamentals with a focus on coding with a browser. You’ll also learn about code quality, error handling, async JavaScript, network requests, and more.

The course content is constantly updated by the open-source community behind it, so with +19K stars on GitHub, you know you can trust the course materials.

Pros

• Easy to navigate to specific topics with the search feature
• Learn automated testing with Mocha
• Available in many languages

Cons

• Not ideal for those that prefer learning via video

Key Information

Platform: JavaScript.info

Course Instructor: N/A

Level: Beginner

Duration: Self-paced

Free or Paid: Free

Certificate: None

Enrolled Students: N/A

7. [Scrimba] Learn JavaScript for Free

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Why we chose this course

This is part of the front-end developer path on Scrimba, and it’s one of the best JS courses if you prefer to get hands-on when learning.

You’ll learn the fundamentals of JavaScript, the DOM, how to use local storage, and you can follow along with 140 interactive coding challenges. You can also build three JavaScript projects to help cement your knowledge while adding content to your portfolio to showcase your skills.

Pros

• Great for learning by ‘building stuff’
• Create apps to add to your portfolio
• Scrimba has an active Discord community

Cons

• Requires basic HTML & CSS knowledge

Key Information

Platform: Scrimba

Course Instructor: Per Harald Borgen

Level: Beginner

Duration: 7.75 hours (Video content)

Free or Paid: Free & Paid options

Certificate: None

Enrolled Students: +100K

8. [Coursera] Programming Foundations with JavaScript, HTML, and CSS

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Why we chose this course

If you’re looking for web development training courses with JavaScript, this is a great place to start. Not only do you cover algorithms and general programming concepts, but you’ll learn to build web pages with JavaScript, HTML, and CSS from four Duke University professors.

This JavaScript course covers the most essential web dev topics, including functions, loops, and conditional statements. You also put your knowledge into practice at the end of the course by creating a website with an image filter app, which is ideal for your portfolio.

Pros

• Great introduction to computational thinking
• Learn from Duke University professors
• Combines JavaScript, HTML, & CSS for front-end development

Cons

• May be too basic if you already know JavaScript

Key Information

Platform: Coursera

Course Instructor: Susan Rodger, Robert Duvall, Owen Astrachan, Andrew Hilton

Level: Beginner

Duration: 33 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +500k

9. [Udemy] JavaScript - Learn by Doing

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Why we chose this course

This JavaScript course takes you through the basics of the language, including data types, data structures, conditionals, functions, ES6 syntax, and the DOM. It’s also a practical course, which means you’ll get lots of hands-on experience to improve your coding skills.

You’ll learn how to create JavaScript animations for various projects that you can add to your portfolio, including a carousel slider, popup form, and shopping cart. Learning JavaScript animations is a great way to create interactive websites with an improved user experience (UX).

Pros

• Projects to add to your portfolio
• Bonus section on Git & GitHub
• Lesson on solving interview questions with JavaScript

Cons

• Not intended for advanced learners

Key Information

Platform: Udemy

Course Instructor: Nevyan Neyko

Level: Beginner

Duration: 6 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +3k

10. [Educative] The Complete Guide to Modern JavaScript

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Why we chose this course

JavaScript is an evolving language. New updates get added each year to make it more dynamic and powerful. This text-based course offers some of the best JavaScript training online if you want to learn modern JavaScript syntax, including sections on new features introduced from ES2016 to ES2022.

In this course, you’ll also learn the fundamentals of TypeScript, making you a more desirable candidate when applying for JavaScript jobs.

Pros

• Great choice if you prefer text-based learning
• Test your skills with built-in assessments
• Solve coding challenges via a cloud-based IDE

Cons

• Text-based content may not appeal to visual learners

Key Information

Platform: Educative

Course Instructor: Alberto Montalesi

Level: Beginner

Duration: 6 hours (Text-based content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: N/A

11. [Udacity] Full Stack JavaScript Developer Nanodegree

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Why we chose this course

If becoming a full-stack JavaScript developer sounds like a dream job, then this might be the best place to learn JavaScript for you. Consisting of 4 sub-courses, you start by learning backend development with Node.js before moving on to PostgreSQL and Express to build your backend.

You’ll then learn how to build front-end apps with the Angular framework, which will allow you to tie all your full-stack development knowledge by building an E-commerce app.

Pros

• Build out apps after each course to cement your knowledge
• Code reviews by experienced software engineers
• Career coaches to help you land your next developer job

Cons

• Udacity pro membership is quite expensive

Key Information

Platform: Udacity

Instructors: Rachel Manning, Alyssa Hope, Andrew Wong, Guillaume B. Laviolette

Level: Intermediate

Duration: 160 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: N/A

12. [Wes Bos] JavaScript 30

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Why we chose this course

You can read the best JavaScript books and take the best online JavaScript courses, but you won’t improve if you don’t practice. And the best way to do that is by building projects. And when it comes to projects, this might be the best course for JavaScript.

In this course, you will build 30 projects with vanilla JavaScript (no libraries, frameworks, or compilers), including a video player, countdown clock, and speech recognition app. These can be a fantastic addition to your portfolio and help you stand out when applying for JavaScript developer jobs.

Pros

• Completely free!
• Access to project solutions to compare with your code 

Cons

• Assumes HTML, CSS, & basic JavaScript knowledge

Key Information

Platform: JavaScript30

Course Instructor: Wes Bos

Difficulty Level: Intermediate

Duration: 30 Days (Video content)

Free of Paid: Free

Certificate: None

Enrolled Students: N/A

Want to add projects to your portfolio? Check out

The 15 Best JavaScript Projects

13. [Udemy] JavaScript: Understanding the Weird Parts

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Why we chose this course

The clue is in the name of this JavaScript course! So if you want to dive into the weirder parts of JavaScript, this is the best course to learn JavaScript by leveling up your code quality and debugging skills.

This intermediate JavaScript course covers closures, prototypical inheritance, and immediately-invoked function expressions. Another plus is that you’ll examine source code for the popular JQuery and Underscore frameworks to understand how JavaScript works ‘under the hood’.

Pros

• Learn to build your own JavaScript framework
• Covers a range of advanced topics like scope chains & ES6 features

Cons

• Slow pace may not suit faster learners

Key Information

Platform: Udemy

Course Instructor: Anthony Alicea

Level: Intermediate

Duration:  12 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +180K

14. [Udemy] JavaScript: The Advanced Concepts

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Why we chose this course

If you’re looking for advanced JavaScript courses, then this is the ideal choice to dive deeply into advanced JavaScript topics via detailed and well-explained video lessons. 

Expect to learn JavaScript best practices, the latest features, functional & object-oriented programming, and a range of advanced concepts like memory leaks, execution context, asynchronous programming, garbage collection, and more.

Pros

• Rich, detailed & comprehensive curriculum 
• Includes a foundational section to recap the basics
• Active Discord community for ‘Zero to Mastery’

Cons

• Includes topics that may be too simple for experienced devs

Key Information

Platform: Udemy

Course Instructor: Andrei Neagoie (Zero to Mastery)

Level: Advanced

Duration: 25 hours (Video content)

Free or Paid: Paid

Certificate: Yes

Enrolled Students: +65K

15. [MDN Docs] Mozilla Developer Network JavaScript Guide

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Why we chose this course

The Mozilla Developer Network (MDN) documentation has been around since 2005 and is one of longest standing internet resources for learning JavaScript online, including articles on JavaScript tools, frameworks, and best practices. 

No matter which course or tutorial you take to learn JavaScript, this resource can be used for reference if you want in-depth explanations of any JavaScript topic.

Pros

• Excellent reference resource
• Available in many languages
• Regularly updated to reflect emerging trends

Cons

• 100% text-based & primarily a reference tool

Key Information

Platform: MDN

Course Instructor: N/A

Level: All levels

Duration: N/A

Free or Paid: Free or Paid options

Certificate: None

Enrolled Students: N/A

Conclusion

JavaScript currently powers the client side of almost every website on the internet, and its popularity continues to grow due it being a beginner-friendly and versatile language with a thriving ecosystem of frameworks and libraries.

This article listed the 15 best JavaScript courses online in 2023, with a range of options for newbies or experienced JavaScript developers who want to expand their skill set. So if you want to learn JavaScript in 2023, we’ve got you covered.

Ready to learn JavaScript? Check out our guide on

How to Learn JavaScript

Frequently Asked Questions

1. What Is the Best Free Course to Learn JavaScript?

This depends on your preferred style of learning and your budget. This article includes a range of free and paid online courses with text-based and video content to help you find the best tutorial for javascript.

2. Is JavaScript Worth Learning in 2023?

Yes. JavaScript continues to grow in popularity and still ranks as the most popular programming language in 2023.

3. Can I learn JavaScript in 2 Months? 

If you are an experienced programmer, you can learn JavaScript in 2 months. However, it may take a little longer if you are a total beginner, as you’ll need online courses to learn to think like a programmer, along with learning the JavaScript language.