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.

LearnQuest
Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Integrated Development Environments, Computer Programming, Program Development, Virtual Machines, Web Applications, Software Installation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Design and Development, Web Applications, Code Reusability, Cascading Style Sheets (CSS), Web Development, Software Design Patterns, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Containerization, Web Design and Development, Restful API, User Interface (UI) Design, Node.JS, Application Deployment, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Database Application, Server Side, Back-End Web Development, Full-Stack Web Development, Javascript
Intermediate · Guided Project · Less Than 2 Hours
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Other Programming Languages, Object Oriented Design, Computational Logic, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Programming Principles, Middleware, Scalability, Web Design, Computer Programming, Maintainability, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, User Experience Design, Web Design and Development, User Interface (UI) Design, Development Environment, Web Development Tools, Front-End Web Development, Web Design, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Javascript, Database Management
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Bootstrap (Front-End Framework), Web Design and Development, Web Development, Web Applications, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Browser Compatibility, User Interface and User Experience (UI/UX) Design, User Experience Design, Requirements Analysis, Requirements Elicitation, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Jest (JavaScript Testing Framework), Application Deployment, Frontend Integration, Web Development Tools, Cloud Deployment, Unit Testing, Data Structures, Server Side, Back-End Web Development, Restful API, Frontend Performance, Application Programming Interface (API), Development Environment, Javascript, Build Tools, Middleware, Front-End Web Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, AI Integrations, Agentic Workflows, Responsible AI, AI Orchestration, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, Web Design and Development, HTML and CSS, Web Development, Test Script Development, Software Testing, Cascading Style Sheets (CSS), Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Javascript, Data Persistence
Intermediate · Course · 1 - 4 Weeks