JavaScript is the modern programming language in high demand and use, so unsurprisingly web developers and mobile app developers who have mastered it, have no employment issues. Building web applications, server applications, web servers, games, mobile apps and more could be done with JS, arguably the most popular language among coders.
On Udemy there are 1,200 courses teaching JavaScript. To select the best ones that could be taken anywhere on the globe and by students of all levels, we applied several criteria: English language, JS for web development specifically, highest rating by users, pricing with discounts, verified authors, and a certificate of completion. We've selected 25 online JavaScript courses, summarized in the following table.
| Course | Author | Location | Rating (0-10) | Duration (hours) | Lectures | Price | Students | |
| 1 | Jonas Schmedtmann | Portugal | 10 | 68 | 320 | $120 | 796,000 | |
| 2 | Anthony Alicea | USA | 9 | 12 | 89 | $75 | 186,000 | |
| 3 | Brad Traversy | USA | 9 | 36 | 265 | $75 | 105,000 | |
| 4 | Stephen Grider | USA | 10 | 6 | 70 | $75 | 56,000 | |
| 5 | Andrei Neagoie | Canada | 9 | 25 | 230 | $75 | 69,000 | |
| 6 | Andrew Mead | USA | 9 | 30 | 155 | $75 | 50,000 | |
| 7 | Shaun Pelling | UK | 8 | 20 | 188 | $75 | 33,000 | |
| 8 | Florin Pop | Romania | 9 | 18 | 164 | $75 | 68,000 | |
| 9 | Asim Hussain | UK | 8 | 7 | 47 | $85 | 35,000 | |
| 10 | Brad Traversy | USA | 8 | 16 | 121 | $100 | 37,000 | |
| 11 | Max Schwarzmüller | Germany | 7 | 7 | 128 | $65 | 30,000 | |
| 12 | Rob Merrill | USA | 7 | 38 | 386 | $85 | 25,000 | |
| 13 | Brad Schiff | USA | 9 | 28 | 130 | $95 | 19,000 | |
| 14 | John Smilga | USA | 8 | 45 | 448 | $90 | 24,000 | |
| 15 | Reece Kenney | UK | 7 | 15 | 169 | $55 | 10,000 | |
| 16 | Arkadiusz Włodarczyk | Poland | 7 | 13 | 102 | $95 | 10,000 | |
| 17 | Ray Viljoen | UK | 6 | 3 | 23 | $50 | 4,000 | |
| 18 | Infinite Skills | Canada | 6 | 10 | 93 | $55 | 17,000 | |
| 19 | Anthony Alicea | USA | 6 | 3 | 42 | $70 | 3,000 | |
| 20 | Jana Bergant | Slovenia | 6 | 5 | 75 | $20 | 3,000 | |
| 21 | Edwin Diaz | USA | 6 | 3 | 29 | $20 | 4,000 | |
| 22 | Stone River eLearning | USA | 6 | 5 | 31 | $20 | 8,000 | |
| 23 | Dev Ed | UK | 7 | 17 | 130 | $70 | 2,000 | |
| 24 | Laurence Svekis | Canada | 7 | 18 | 98 | $70 | 10,000 | |
| 25 | John Elder | USA | 7 | 4 | 55 | $20 | 8,000 |
View the full table with extensive data here, and now let's proceed with a little bit more details.
01: Complete JS course 2023
The bestselling JS course on Udemy with the most students on record by far (796,000), as well as the most extensive one - 320 lectures - is called "From zero to expert". From fundamentals to making complex applications, Udemy top instructor Jonas Schmedtmann guides you with theory and coding exercises. Key sections are JS basics, how it works behind the scenes, functions, object-oriented programming, modules.
02: JS: Weird parts
Get to know JavaScript's fundamental concepts, learn to produce code, to debug code, learn about JS frameworks, and also learn to build your own framework or library - in one course, that's definitely a fine price/value balance. Advanced students will be able to hone their skills in Angular, Node, jQuery, React, Ember, MongoDB, too. Also, look out for a price discount, it could be 50-70% off.
03: Modern JavaScript 2.0
A 36-hour, 265-lecture, lifetime-access-to-resources JS course by Traversy Media covering such aspects as data types, variables, functions, conditionals, loops, data structures, DOM manipulation, OOP, error handling, web and browser APIs, modules, testing algorithms, etc. The practical result/task is building a Node.js API with a custom front-end.
04: ES6: Developers guide
Stephen Grider, Udemy official partner and the founder of Rally Coding, presents a course for intermediate-level students who seek to get practice and add real-life projects on JavaScript to their portfolio/CV. The focus is the ES6 version, which means features of ES6 in practical situations, the difference between ES6 and ES2015, studying generators, destructuring, Babel etc., as well as developing complex applications via ES6 design patterns.
05: Advanced JS concepts
22 hours of material, 33 articles and 1 coding exercise in the end in this course entitled "JavaScript: The Advanced Concepts (2023 Update)". Basically, an hour per day, and in one month you go through an intensive training and come out of it as a skilled JavaScript coder. The course covers such topics as JS engine, runtime, interpreter, compiler, memory heap, Node.js,
ES6/ES7/ES8/ES9/ES10/ES2020/ES2021/ES2022 features, lexical environment, hoisting, function invocation and much more.
06: JS Bootcamp
Andrew Mead, a full-stack developer from Philadelphia, USA, with over a decade of teaching experience, offers a dense JS course that comprises theory, real projects, and 80 programming challenges. Tasks span from deploying a web application to Promises/Async/Await in asynchronous JavaScript, etc. After 155 lectures you also get an 80-page PDF guide with notes, code samples, and documentation links.
07: Modern JavaScript
Another course for beginners to up their game in JS comes by Shaun Pelling from the YouTube channel "The Net Ninja" with 1.1 million subscribers. It is specifically tailored and designed to teach how to conjure up fully-functional and dynamic web pages. Once the basics are covered, real JavaScript projects are brought up, including a quiz, a weather app, a chat app, a UI library.
08: 50 projects in 50 days
Developer Brad Traversy and streamer Florin Pop team up to produce a fully project-based course. So basic understanding of HTML, CSS and JS is preferred. 50 mini projects related to the DOM (document object model) are reviewed and taught, including expanding cards, rotating animation, split landing page, sound board, event keycodes, random choice picker, movie app, etc. The goal is to be able to complete each project in a few hours.
09: Advanced Javascript
A shorter but more packed course aimed at making you advanced in JS, or in other words to turn a junior developer into a senior JS developer. In 7 hours total it teaches about deeper fundamentals, e.g. types/equality, scopes, destructuring, looping, this, object orientation, asynchronous programming, networking, event handling. In a Q&A format get prepared to work with frontend frameworks like React, Vue, Svelte, Angular.
10: 20 web projects with Vanilla JS
Vanilla JS is a lightweight framework for building JavaScript applications, here utilized for a 16-hour course to build frontend projects from scratch. Learning on apps like games or breathing app students go through layouts/UIs in HTML/CSS, animations, transitions, DOM manipulation, JS events, API/JSON, drag and drop, local storage, arrow functions, etc. Aimed at intermediate-level coders.
11: Accelerated JS Training
Example-driven approach in this JS course where also lectures are brief, 5 minutes average, and each dedicated to a separate topic, be it in JavaScript basics, types and scope, arrays, objects, functions or events. The author, Maximilian Schwarzmüller, is an AWS certified web developer who started programming at the age of 12, and top-rated instructor on Udemy.
12: Beginner Bootcamp
Learn on projects, animations, quizzes and coding tasks in the browser in JavaScript Beginner Bootcamp course, updated with 2023 information. In almost 400 lectures you can explore all the basics, and then learn to launch a dynamic web page and other applications, as well as build a portfolio with HTML and CSS skills. The course leverages Google Chrome developer tools making it easier and good for novices.
13: Full-Stack from Scratch
Brad Schiff, the web developer running a popular YouTube channel LearnWebCode, for $95 can teach you JS, web browser environment, Node.js, MongoDB, Express.js, authentication, server setup and basics, and much more. Why this course and this instructor specifically? Brad has been living and breathing both JavaScript and web development for the last 14 years, and he has put it all into one cohesive set of lectures.
14: JS Tutorial Course
In regards to practical and real-world projects based JS courses, this one by John Smilga is focused around 30 webdev projects using JavaScript. Also, it is one of the most extensive udemy courses, consisting of 448 lessons and 46 hours of material in total, plus almost 200 downloadable resources. Examples of projects (applications): counter app, navigation bar, sidebar, scrolling, tabs, countdown timer, slider, dark mode, pagination, etc.
15: Make a Spotify Clone with JS
If you'd like to spend less money and time on getting into JS, here's another practical course where students practice by building a music streaming website similar to Spotify, and learn all about JavaScript, PHP, and MySQL along the way. The author is a software engineer at Microsoft and students can count on his full support with all his programming knowledge.
16: From Beginner to Expert
Tailored for front-end web development, this concise course is put together to last for 30 days (1 month) in which students are taught to make the most and learn to build real applications such as galleries with thumbnails, image sliders, etc. 102 lectures in consequent chapters with full assistance by Arkadiusz Włodarczyk, and moving on to JS specifics, i.e. events, variables, objects, arrays, functions, loops, etc.
17: Getting started with WebAssembly
One of the shortest guides (2.5 hours total) with each lesson 5 to 10 minutes, is aimed at getting you started with JavaScript API tools, those being WebAssembly and Emscripten. This implies learning both theory and working with WebAssembly modules, in JS browser APIs, producing code in C and C++ with Emscripten. So, right away, you start working with real practical and meaningful tools, which also means the course is rather for intermediate-level attendees.
18: JavaScript Programming
A Canadian eLearning company Infinite Skills with 4.3 instructor rating on Udemy offers a coherent JS programming course for those who have no prior coding experience. Nothing fancy or extraordinary, just focused on solid results, thus they lay out all the crucial elements in order: conditions, loops, arrays, sorting, functions, string manipulations, regular expressions, HTML5, CSS, event handling, etc.
19: Understanding ES6
Anthony Alicea, who we are already familiar with on Udemy, a software engineer and tutor from Cleveland, Ohio, USA, comes with yet another brief online guide about JavaScript ES6 version. Basically, this means a closer look at JS newly added features such as block scoping, templates, classes, arrow functions, symbols, iterators, etc. In addition, several lectures are devoted to how ES6 impacts frameworks like React, Vue, Angular.
20: JavaScript for beginners
A US-based company Stone River eLearning presents its own version of a succinct and affordable ($20) course about JS. This is strictly for beginners with no prior skills and tailored towards web development, albeit this is no surprise among JavaScript courses on Udemy. In 31 lessons you'll get all the elements covered and be ready to move forward from there.
21: All about functions
Web developer Edwin Diaz and Coding Faculty Solutions team up to present a short, light and to-the-point course for intermediate JS students - All about functions. And as the name suggests, the goal and the sole focus is to teach everything about JavaScript functions, write complex code and produce web applications. All in under 3 hours total and just for $20.
22: JS for Beginning Web Devs
The aforementioned Stone River eLearning has yet another JS course, this one clearly-cut for beginner programmers and for a lower price of $20. Starting from random websites on the Internet and exploring their source code to examine and understand why JavaScript works, in the span of 31 lectures you also learn variables, concatenation, arrays, intervals, callbacks, DOM elements and so on.
23: The Creative JS Course
Now here's something different, a peculiar angle on online programming courses, that is creativity. The goal is to teach attendees to be creative with JavaScript and let them discover how it can be utilized and how it works under the hood. Projects include a to-do-list, a music web app (beatmaker), color palette creator app, travel website, etc. By the end you get a certificate of completion as well as 5 mastered projects in your portfolio.
24: Create Dynamic Web Pages
Laurence Svekis, software developer and instructor since 2002, makes an effort to train willing students to use JS to make dynamic and interactive pages. This entails exploring the core principles of JS, web pages, HTML elements, styling, event triggers and more. It is about 100 topical lessons, workbooks in PDF, 16 hours of video in total.
25: JavaScript & Python bundle
Improve your coding skills from beginner to intermediate/advanced in just a 4-hour course focused on Python and JavaScript together. Starting with basic concepts (string manipulation, variables, data types) the guide proceeds to intermediate topics such as loops, conditional statements, and even advanced topics in case of fast and successful progression (modules, functions, classes). The author, John Elder, the creator and the founder of Tkinter, teaches web development at Codemy in the USA.
