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The Best JavaScript Courses on Udemy in 2026: Beginner to Advanced, Algorithms and TypeScript

M By Michael Kuhlman November 9, 2026 11 min read
The Best JavaScript Courses on Udemy in 2026
CourseDuck ranks courses from the ratings and reviews their students have left, with the price, length and level of each one side by side. No course pays to be listed or ranked. How we rank

This list is for anyone who wants to learn JavaScript properly: complete beginners, people who know a little HTML and CSS, and developers who use JavaScript every day without quite knowing why it behaves the way it does. Our JavaScript category lists 614 courses. These ten are the ones we would pick for each step, from your first variable to closures, algorithms, small finished projects and TypeScript.

Every rating, review count, length and last-update date on this page comes from our catalogue and is refreshed with it. The pros and cons are written by CourseDuck’s editors from the course syllabus and a sample of the written student reviews, and checked against both; no course pays to be on this list. Udemy prices move with its sales, so treat the price on each card as the current one, not a promise.

How to pick

  • You have never written code: The Complete JavaScript Course, or The Modern Javascript Bootcamp Course if you want projects in Node too.
  • You want every detail and a reference to come back to: JavaScript, The Complete Guide.
  • You learn by building real apps without a framework: Modern JavaScript From The Beginning 2.0.
  • You want to try JavaScript for free first: JavaScript Fundamentals.
  • You already write JavaScript but closures and “this” still surprise you: JavaScript: Understanding the Weird Parts, then Advanced Javascript.
  • You have a technical interview coming up: JavaScript Algorithms and Data Structures Masterclass.
  • You know the basics and need practice: 50 Projects In 50 Days.
  • You are ready for types: Understanding TypeScript.

Start here: learning JavaScript

1. The Complete JavaScript Course 2025: From Zero to Expert!

Jonas Schmedtmann’s course is the most-reviewed JavaScript-only course we list and the one we would hand a complete beginner first. It is long, 71.2 hours over 332 lectures, and starts from nothing: there is even an optional HTML and CSS crash course. From variables and loops it goes through how the language works behind the scenes, then promises, async code, classes and modules, with six project sections among them the Mapty and Forkify apps. It has about 234,600 reviews at 4.7, more than a million students and was last updated in October 2025. Reviewers say complex topics get explained step by step with clear examples, and one newcomer calls it the first course they have actually stuck with. The cost is time, and the course itself suggests shorter pathways if 71 hours is too much.

Pros

  • Six projects marked in the syllabus, including the Mapty and Forkify apps
  • Reviewers say complex topics get explained step by step with clear examples
  • Goes past basics into behind-the-scenes theory, OOP, async code and modules
  • Updated in October 2025, with an optional HTML and CSS crash course for newcomers

Cons

  • About 71 hours across 332 lectures is a big commitment to finish
  • One reviewer found it confusing and disliked the voice, so it may not suit every learner
  • The course's own tool list (Parcel, Babel) is labelled 2022 and beyond, so it may feel dated

See this course on Udemy

What students say

Devariste Wilkenson

The course is amazing; Jonas focus more on providing good-quality videos and he takes his time to explain the course so we can master the fundamentals to become great developers. I have learned a lot of things; it was not easy to keep up with the course at all, but i have done it. I hope more people will purchase your courses because you are a blessing for people learning web development on udemy.

hidden secret

One of my favorite JavaScript instructors on Udemy. The best part is how clearly he explains what happens behind the scenes, and he does it in real depth. He doesn’t just teach you what to write - he teaches why it works that way. That helps developers build real understanding instead of memorizing concepts. In my opinion, this course covers essential topics for both junior and senior-level developers.

Reviews from students, via this course's page on CourseDuck.

2. JavaScript - The Complete Guide (Beginner + Advanced)

Maximilian Schwarzmüller’s course has the most lectures and quizzes on this list: 52.5 hours over 616 lectures, with 36 quizzes, 11 coding exercises and eight assignments. It goes from variables and functions through the DOM, arrays, objects, classes, prototypes and events, covering both older and modern syntax, so legacy code is less of a shock. It has about 33,600 reviews at 4.6 and was last updated in January 2026. One reviewer calls Max methodical, and a few say it doubles as a reference to look things up in later. Beginners mention sudden jumps in difficulty and tasks that use code not yet taught, and some find the pace slow.

Pros

  • Covers legacy and modern syntax, so older codebases are less of a shock
  • Builds gradually and explains thoroughly, says one reviewer who calls Max methodical
  • Quizzes, assignments and projects on top of 616 lectures give practice
  • Last updated January 2026, and the 52 hours work well as a lookup reference

Cons

  • Beginners report sudden jumps in difficulty and tasks using code not yet taught
  • Some reviewers find the pace slow, and others say refactoring on the fly is hard to follow
  • Long: one reviewer says it repeats points and pads sections, which is a lot to sit through

See this course on Udemy

What students say

Paulo Márcio Botelho Fraga Santos de And

The course was very good! I was a desktop software developer who didn't know how to handle web development, especially when I needed to handle JS. But now, after taking this course, I'm confident that JS is much simpler and smoother than I thought. Finally, web development is no longer a barrier and I'm sure if you take the course, you'll feel the same way I do! Thank you Max and Academind for all your support.

juan david barrera

This course helped me understand how JavaScript works behind the scenes, and the way the topics were explained was very clear.

Reviews from students, via this course's page on CourseDuck.

3. Modern JavaScript From The Beginning 2.0 (Just Updated)

Brad Traversy teaches JavaScript by building things, with no framework in sight: 40.2 hours over 285 lectures, with a Node and Express API behind a Webpack front end as its last main project. On the way you build a movie app and a calorie tracker and look at how JavaScript runs your code, async code, OOP and testing with Jest. It has about 36,500 reviews at 4.6, more than 131,000 students and was last updated in October 2025. Reviewers call it clear, one calls it no-nonsense and to the point, and two say the projects are what make it stick. There are no quizzes or coding exercises, so practice means coding along, and one reviewer found the videos long and complex.

Pros

  • Builds real apps, from a movie app and Tracalorie to a full stack RandomIdeas project
  • Reviewers call the teaching clear, easy to follow and free of fluff
  • Goes into how JS works, then Webpack, Jest and a Node and Express API
  • Updated in October 2025, so the content is recent

Cons

  • No quizzes or coding exercises, so practice means following along
  • Some beginners found the pace fast and the videos long and complex
  • About 40 hours over 23 sections is a big time commitment

See this course on Udemy

What students say

Dick Thompson

I'm completely new to JS and feel a little overwhelmed at this stage but are confident that I will succeed learning JS with your help...

Jack Eickelman

The pacing is great, and the order of the subjects is planned well. Don't skip the projects, they are super helpful for solidifying the topics covered.

Reviews from students, via this course's page on CourseDuck.

4. The Modern Javascript Bootcamp Course

Colt Steele teaches the first half, JavaScript from variables and loops through the DOM, promises and async and await. Stephen Grider takes the second half, which is all projects: canvas animations, Node command line tools, a small database of your own and an e-commerce app with sign-in. It runs 51.9 hours over 484 lectures, has about 13,300 reviews at 4.9, the highest average on this list, and was last updated in February 2026. One reviewer singles out how each app is planned before any code is written. One reviewer struggled with the second instructor’s style and others hit project files that threw errors, and there is just 1 quiz and no coding exercises. If you finished Colt’s web development bootcamp, expect repeats.

Pros

  • Instructor explains the why behind each line, and reviewers call the pace good
  • Second half builds canvas animations, Node command line tools and an e-commerce app
  • Each app is planned out before coding starts, which one reviewer says sets it apart
  • Updated February 2026, with a 4.9 rating from over 13,000 reviews

Cons

  • Just one quiz and no coding exercises, so extra practice is up to the student
  • One reviewer struggled with Stephen's style; others hit broken project files or an unfixed bug
  • Heavy overlap with Colt's web development bootcamp for anyone who took it

See this course on Udemy

What students say

Bill S

This was a great course. The first half was a great introduction to the major concepts of JS, and the second was a great application of those concepts via projects. I particularly appreciated the process of laying out the plan for each app and talking through their structure prior to just hammering away on a bunch of code. I think that was an element that sets this course apart from many I've worked through.

Dev X

P.S. i am not a native english speaker. This course is a complete package. first half is where they teach you everything javascript and it's really really good. what's even more amazing is the second half the project the you will build and the knowledge that stephen shares is priceless on top of that ' what if you get stuck somewhere?? just ask the question in the course Q&A and stephen will help...

Reviews from students, via this course's page on CourseDuck.

5. JavaScript Fundamentals

If you would rather try JavaScript before paying for anything, Bharath Thippireddy’s course is free and short: 4.9 hours over 93 lectures, with 14 quizzes and 10 assignments. It covers variables, loops and functions, then events, the DOM, the browser object model, form validation and your own objects. It has about 7,700 reviews at 4.5, more than 142,000 students and was last updated in September 2026. Reviewers call the explanations simple and clear. It has no coding exercises, a couple of reviewers found parts dated, and as a free Udemy course it comes without a certificate.

Pros

  • Free course with 93 short lectures covering JS basics start to finish
  • Goes beyond syntax into the DOM, BOM, form validation, and custom objects
  • Quizzes and assignments throughout help you practice as you go
  • Reviewers repeatedly call the explanations simple and easy to follow

Cons

  • No coding exercises, just quizzes and assignments, so less hands-on practice
  • A couple of reviewers say parts of the content feel outdated for modern JS
  • One reviewer says Bharath stopped answering Q&A questions partway through

See this course on Udemy

What students say

Ariel Gayorgor

The course if very well thought. So easy to understand. Looking forward for another course coming from this mentor. Student just need to practice to be able to be familiarize on how a certain method is being use.

Zia Hossain

Good course. It's a learn by doing method of learning JS. Although I expected a bit more explanation on issues like object, this, functions, closure. But overall I am satisfied with this course. Thanks to Bharath!!

Reviews from students, via this course's page on CourseDuck.

Go deeper: how JavaScript really works

6. JavaScript: Understanding the Weird Parts

Anthony Alicea’s course is the course for the moment JavaScript starts doing things you cannot explain. In 12.6 hours over 92 lectures it covers execution contexts, types and operators, closures, objects and functions and prototypal inheritance, then reads through the jQuery source and builds a small framework. It asks only for basic JavaScript, which makes it a second course, not a first. It has about 49,500 reviews at 4.8, more than 199,000 students and was last updated in December 2025. One reviewer says concepts that had stayed cryptic finally clicked; two suggest watching at 1.5x, and newer syntax such as let and const arrives late.

Pros

  • Explains execution contexts, closures and prototypes so the odd behavior makes sense
  • Reviewers call the explanations clear and easy to visualize
  • Reads jQuery source and builds a small framework to apply the ideas
  • Reviewers say the core concepts still apply to current JavaScript

Cons

  • Slow pace, with reviewers recommending 1.5x to 1.75x speed
  • Videos are mostly voice and code, with few visuals
  • Modern syntax like let and const comes late, and the style feels dated

See this course on Udemy

What students say

Ajmal Jalal

This is a perfect course for understanding the hidden parts of the JavaScript. It tells you why something happens certain way. it is a perfect course.

Zak Eckert

I really like to understand the details of things, and this course does a good job of getting into the details.

Reviews from students, via this course's page on CourseDuck.

7. Advanced Javascript (Updated 2026)

Asim Hussain’s course is built like a JavaScript interview: each lecture takes a question, gives the obvious answer, then goes one step further. It covers types and equality, scope and closures, this, prototypes and classes, then spends six sections on async code, from callbacks and promises to generators and the event loop. It runs 11.8 hours over 99 lectures, has about 11,100 reviews at 4.6, more than 45,000 students and was last updated in August 2026, with newer additions such as iterator helpers in the syllabus. One reviewer calls the explanations intuitive and deep. One reviewer says it is more beginner to intermediate than truly advanced, and there are 10 quizzes but no coding exercises or projects.

Pros

  • Explanations of this, closures and prototypes are called intuitive and deep
  • Five async sections cover callbacks, promises, async/await, generators and the event loop
  • Interviewer's-eye framing shows what follow-up questions to expect
  • Refreshed in August 2026, with ES2026 and iterator helpers in the syllabus

Cons

  • One reviewer calls it beginner to intermediate, not truly advanced
  • No coding exercises and no real-world examples or projects
  • Some audio is muffled and the proto versus prototype lecture confused a reviewer

See this course on Udemy

What students say

Oleksandr Kudriavtsev

Great course. A lot of useful information. Of course, you won't become a Senior Developer after this course, but, definitely, you will improve/refresh your JS skills before a job interview. Personally, I've found a lot of answers to my questions about JS and filled gaps in my JS skills. I think there might be about 10 other vital questions about JS related to ES6/ES7 and I hope that the course...

Blake Simpson

This course explains about the deeper details of JavaScript. Its INCREDIBLE. Certain things that i had been using in JS, i never really grasped the concepts as to why they worked the way they did. All I knew was "this is how you do it, so keep doing it this way." After taking this course I now have a better understanding of not only JS but other 'flavors' of JS like React, Vue, and node. THIS...

Reviews from students, via this course's page on CourseDuck.

8. JavaScript Algorithms and Data Structures Masterclass

Colt Steele built this from the last part of his in-person bootcamps, for web developers who never studied computer science and now face a technical interview. It covers Big O, recursion, problem-solving patterns and six sorting algorithms, then linked lists, trees, heaps, hash tables, graphs, Dijkstra and dynamic programming, all in JavaScript: 21.9 hours over 250 lectures, with 87 quizzes and 81 coding exercises that let you try each problem before the solution. It has about 31,300 reviews at 4.7, more than 174,000 students and was last updated in January 2026. One reviewer says it made Big O far less intimidating. Budget well beyond the video time, and look elsewhere if you interview in another language.

Pros

  • Big O explained slowly with animations; one reviewer says it made the topic far less intimidating
  • 81 coding exercises and 87 quizzes, with a chance to try every problem before the solution video
  • Goes past the basics into heaps, graphs, Dijkstra and dynamic programming
  • Refreshed in January 2026, carries Udemy's Bestseller badge and holds a 4.7 across 31,000 reviews

Cons

  • Few LeetCode-style practice problems; it teaches structures, not interview grinding
  • Budget far more than the 22 video hours; one reviewer logged 88 hours to finish
  • JavaScript only, so it is less useful if you interview in another language

See this course on Udemy

What students say

Andrew Zhang

A really good course. Colt is a great teacher and the content covered the most common concepts in data structure and algorithm. The course can really help learner to quickly get the idea of basic algorithms and lay a good foundation for further learning.

Gauravsingh Sisodiya

This is the course I was looking for years .It is structured really well. It builds upon the concepts and makes it very easy to pick up advanced topics . The course is very logically structured and has tons of practice examples which really makes us get it . Highly recommended. This is top notch quality course.

Reviews from students, via this course's page on CourseDuck.

Practice: small projects

9. 50 Projects In 50 Days - HTML, CSS & JavaScript

Once you know the basics, Brad Traversy and Florin Pop’s 50 small projects are the quickest way to get your hands dirty: expanding cards, a drawing app, a Pokedex, a quiz app, an insect-catching game, each a short build of its own. It runs 19.4 hours over 170 lectures, has about 12,900 reviews at 4.6, more than 93,000 students and was last updated in July 2025. One reviewer likes that it explains why a technique is used and shows alternatives, such as several ways to import fonts. Treat it as practice next to a main course, not as the way to learn the language; there are no quizzes or exercises to check yourself.

Pros

  • 50 finished mini projects, from a drawing app to a Pokedex, each doable in a few hours
  • Explains why a technique is used and shows alternatives, such as several ways to import fonts
  • Real DOM practice: events, array methods and HTTP requests inside working widgets
  • Rated 4.6 from 12,876 reviews, with more than 93% giving four or five stars

Cons

  • Reviewers say it is better as extra practice than as a main way to learn JavaScript
  • No quizzes or coding exercises, so nothing checks that the ideas have stuck
  • Vanilla JavaScript only, and one reviewer felt it was not for today's tech world

See this course on Udemy

What students say

Bheki Thomola

Brilliant way to practise. Learning theory with random practise sessions is not helpful. Doing complete projects as in this course is the only way to learn and retain the skills.

Leroy Minderman

Very nice to have some code along excercises with real world-examples next to a course on full-stack development to get some experience. This course is providing excellent idea's for my own website.

Reviews from students, via this course's page on CourseDuck.

Next step: TypeScript

10. Understanding TypeScript

TypeScript is JavaScript with types, the natural next step once the language makes sense, and Maximilian Schwarzmüller’s course is where we would start. It is a language course, not a framework course: basic types, classes, generics, derived types and both kinds of decorators, then short modules on Vite, Webpack, React and Node. It runs 22.6 hours over 339 lectures, has about 58,800 reviews at 4.7, more than 295,000 students and was last updated in April 2026, after a 2025 re-record. One reviewer says tsconfig and .d.ts files finally make sense. There are only 8 quizzes and no coding exercises, so plan your own practice.

Pros

  • Re-recorded in 2025 with more than 10 hours of new lectures, and updated again in April 2026
  • One reviewer says tsconfig, .d.ts files and generics finally make sense after the explanations
  • Covers both ECMAScript and experimental decorators, plus Vite, Webpack, React and Node setups
  • Two practice builds, a drag and drop app and a Google Maps place picker, break up the lectures

Cons

  • No coding exercises and only 8 quizzes, which one reviewer says sit in the legacy sections; several wanted more practice
  • Pace divides students: too basic for experienced developers, examples too complex for some beginners
  • The Node and Express section feels rushed to a reviewer new to Node, who also mentions mumbling

See this course on Udemy

What students say

Yoel Monzon

Amazing course, it explain a lot of different topics that I was so confused about TypeScript even though I've been using TypeScript for a while, the way he can explain complex topics in a easy way it is so cool

Last Hang

No reason not to give it a 5 star. The course is a deep dive into TS. If you want something like a crash course, don't buy it because it goes deep into TS.

Reviews from students, via this course's page on CourseDuck.

Where to go next

Every course above has a full page on CourseDuck with its syllabus, our take and more student reviews; the cards link to them. The rest sit in our JavaScript category, and the frameworks have their own: React, Node.js, Angular, Vue and TypeScript. Related guide: the best web development courses, for full-stack bootcamps that put JavaScript together with HTML, CSS and a back end.

M

About Michael Kuhlman

Writes about online courses, providers and learning to code for CourseDuck.

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