Free JavaScript Courses

Learn JavaScript from scratch. Covers ES6, regular expressions, debugging, data structures, OOP, functional programming, and algorithm scripting. Includes a free verified certificate.

The Odin Project's Foundations path takes you from zero to a working understanding of HTML, CSS, and JavaScript. Project-based learning with real code you build and can show to employers.

Scrimba's interactive JavaScript course lets you edit code right inside the video player. Covers syntax, functions, arrays, objects, DOM manipulation, and building real mini-projects.

Khan Academy's visual introduction to JavaScript. Learn by creating drawings and animations in the browser. Great for beginners who want immediate visual feedback as they learn programming fundamentals.

Microsoft's introduction to JavaScript on edX. Covers the fundamentals of JavaScript for web development — variables, functions, arrays, objects, DOM, and events. Free to audit.

The Odin Project's comprehensive full-stack JavaScript curriculum. Covers advanced JavaScript, Node.js, Express, databases, React, and deployment. Projects include a weather app, todo list, and full-stack web application.

Harvard's web development course covering HTML, CSS, JavaScript, Django, SQL, and API design. Learn to build complex, data-driven web applications. Free to audit; certificate via edX.

IBM's full-stack development certificate on Coursera. Covers HTML/CSS, JavaScript, React, Node.js, Express, MongoDB, Docker, Kubernetes, and microservices. Free to audit.

MIT's math for CS course. Covers logic, proofs, graph theory, probability, and recurrences — foundational for computer science theory and technical interviews.

Learn testing methodologies with JavaScript. Covers Chai testing library, Mocha, Helmet security, Passport.js authentication, and building a Node.js application with full test coverage. Free certificate.

The University of Helsinki's free Full Stack Open MOOC. Covers React, Redux, Node.js, REST and GraphQL APIs, MongoDB, testing, and CI/CD. Earns optional University of Helsinki ECTS credits on completion.