JavaScript courses can help you learn programming fundamentals, DOM manipulation, asynchronous programming, and event-driven development. You can build skills in debugging, working with APIs, and creating interactive web applications. Many courses introduce tools like Node.js for server-side development, React for building user interfaces, and Git for version control, showing how these skills come together in real-world projects.

LearnKartS
Skills you'll gain: Node.JS, Authentications, Middleware, Server Side, Back-End Web Development, MongoDB, Authorization (Computing), Web Development, JSON, Encryption, JavaScript Frameworks, Model View Controller, Web Applications, Restful API, User Accounts, MySQL, Javascript, TypeScript, Email Automation, Verification And Validation
Beginner · Course · 1 - 3 Months
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, General Networking, Javascript, Network Security, Computer Networking, Application Security, Computational Thinking, Visualization (Computer Graphics), Program Development, Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface and User Experience (UI/UX) Design, Web Design, Typography, API Design, Web Applications, Digital Design, React.js, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Node.JS, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Authentications, Web Applications, Web Services, Unit Testing, Authorization (Computing), Databases, Data Validation, TypeScript, SQL, Hypertext Markup Language (HTML), Debugging, Data Cleansing, Middleware, HTML and CSS, Javascript
Intermediate · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Computational Thinking, HTML and CSS, Hypertext Markup Language (HTML), Web Design and Development, Javascript, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Programming Principles, Web Applications, Interactive Design, Web Development, Program Development, Web Content, digital literacy, Semantic Web, Computer Science, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), HTML and CSS, UI Components, User Interface (UI), Front-End Web Development, Responsive Web Design, JavaScript Frameworks, Web Design, Web Development, Web Applications, Hypertext Markup Language (HTML), Full-Stack Web Development, Cascading Style Sheets (CSS), General Networking, Back-End Web Development, React.js, Web Servers
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Responsive Web Design, Node.JS, Command-Line Interface, TypeScript, Unit Testing, SQL, HTML and CSS, Web Content Accessibility Guidelines, Typography, Cascading Style Sheets (CSS), React.js, User Interface and User Experience (UI/UX) Design, Hypertext Markup Language (HTML), JavaScript Frameworks, JSON, Generative AI, Database Design, UI Components, Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Server Side, Node.JS, Full-Stack Web Development, Back-End Web Development, Restful API, Web Applications, JavaScript Frameworks, Web Services, Web Development, Authentications, Application Programming Interface (API), Javascript, Middleware, Computer Science
Intermediate · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design, Software Design Patterns, Javascript, Development Environment, Context Management
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Gemini, Node.JS, Google Gemini, AI Workflows, Generative AI Agents, OpenAI API, Prompt Engineering, Agentic Workflows, Retrieval-Augmented Generation, Embeddings, OpenAI, TypeScript, Back-End Web Development, Server Side, Web Applications, API Design, Web Development, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Frontend Performance, Web Design and Development, HTML and CSS, Front-End Web Development, JavaScript Frameworks, Maintainability, UI Components, Cascading Style Sheets (CSS), Software Development Tools, Event-Driven Programming, Build Tools, Web Analytics and SEO
Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, Data Transformation, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks