Best JavaScript Courses Online in 2026 (Top Picks for Beginners & Pros)

JavaScript is the core language for web development, powering interactive websites, web apps, and modern frameworks. It is used for front-end, back-end, and full-stack development, making it essential for web developers and software engineers.

Learning JavaScript through structured courses helps you build real projects, understand modern ES6+ features, and become job-ready.

Top Online JavaScript Courses in 2026

Here are the best JavaScript courses online in 2026, from beginner-friendly to advanced development programmes.

1. Advanced JavaScript Course – Great Learning

Delivery: Online premium programme

Duration: 4.5 hours

This course covers advanced JavaScript concepts such as ES6 features, asynchronous programming, error handling, and API integration. It includes practical projects that help learners build real web applications using modern JavaScript techniques.

Key Highlights:

1. Learn ES6+ features and syntax
2. Understand async programming and promises
3. Build projects with APIs and DOM
4. Certificate available on completion

2. JavaScript – The Complete Guide 2026 (Beginner + Advanced) – Udemy

Delivery: Online self-paced

Duration: 50+ hours

This course covers JavaScript from basics to advanced topics like object-oriented programming, DOM manipulation, and modern JS workflows. It includes coding exercises and real-world projects for hands-on learning.

Key Highlights:

1. Covers beginner to advanced JavaScript
2. Includes OOP, DOM, and ES6
3. Hands-on projects and exercises
4. Certificate of completion

3. Modern JavaScript From The Beginning – Udemy

Delivery: Online self-paced

Duration: 20+ hours

This course teaches JavaScript from scratch using modern ES6 syntax and practical examples. Learners build projects like interactive web pages and small apps, helping them gain real development experience.

Key Highlights:

1. Beginner-friendly modern JS course
2. Learn ES6 and DOM manipulation
3. Build real projects
4. Certificate of completion

4. JavaScript Basics – Codecademy

Delivery: Online interactive platform

Duration: 10–15 hours

Codecademy’s JavaScript Basics course focuses on interactive practice, teaching variables, functions, arrays, and objects. Learners write code in the browser and get instant feedback on exercises.

Key Highlights:

1. Interactive browser-based learning
2. Learn fundamentals of JavaScript
3. Practice exercises with instant feedback
4. Great for beginners

5. JavaScript Essentials – LinkedIn Learning

Delivery: Online self-paced

Duration: 6–8 hours

This course introduces core JavaScript concepts like variables, functions, arrays, and DOM manipulation. It is designed for beginners who want a quick and clear introduction to web scripting.

Key Highlights:

1. Learn JavaScript fundamentals
2. Understand DOM interaction
3. Short and beginner-friendly
4. Certificate from LinkedIn Learning

6. JavaScript Algorithms and Data Structures – freeCodeCamp

Delivery: Online self-paced (Free)

Duration: Variable

This free course focuses on JavaScript algorithms and data structures, including recursion, sorting, and complexity. It helps learners build strong programming logic and problem-solving skills.

Key Highlights:

1. Free JavaScript learning path
2. Focus on algorithms and logic
3. Build coding challenges
4. Great for interview preparation

7. JavaScript Specialization – Coursera

Delivery: Online certificate programme

Duration: 4–6 weeks

This Coursera specialization covers JavaScript fundamentals, DOM manipulation, and modern web development techniques. Learners complete projects and quizzes to build practical skills.

Key Highlights:

1. Learn JavaScript fundamentals and DOM
2. Build web projects and assignments
3. Includes quizzes and projects
4. Certificate upon completion

8. Full Stack JavaScript with Node.js – Udemy

Delivery: Online self-paced

Duration: 25+ hours

This course focuses on full-stack JavaScript development using Node.js and Express. Learners build server-side applications, work with databases, and deploy real web projects.

Key Highlights:

1. Learn Node.js backend development
2. Build server-side applications
3. Work with databases and APIs
4. Certificate of completion

Conclusion

JavaScript remains the most important skill for web developers and software engineers. These courses provide structured learning paths from beginner to advanced levels, helping learners build real projects and prepare for professional roles.

Start with beginner-friendly courses to build strong fundamentals, then move to advanced JavaScript development for real-world application building. Great Learning’s Advanced JavaScript Development course is a strong option for those seeking premium training and practical projects.

Great Learning also provides free online courses that let beginners start JavaScript training without cost before upgrading to premium programmes.