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.

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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 Patterns, Javascript, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Bootstrap (Front-End Framework), HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Hypertext Markup Language (HTML), Web Design, Browser Compatibility, Web Development Tools, Semantic Web, UI Components, Web Analytics and SEO, Server Side, Animations, Debugging, Javascript, Data Validation
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, IT Automation, Application Programming Interface (API), JSON, System Monitoring, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Javascript, Cascading Style Sheets (CSS), Event-Driven Programming, Web Applications, Hypertext Markup Language (HTML), Document Management, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Script Development, Test Case, Web Development Tools, Unit Testing, Development Testing, Software Testing, Browser Compatibility, Testability, Test Tools, JavaScript Frameworks, Javascript, Mockups, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Application Frameworks, Front-End Web Development, Web Development, Javascript, Code Reusability, Software Architecture, UI Components
Intermediate · Course · 1 - 3 Months

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, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Frontend Performance, React Native, Web Applications, Front-End Web Development, React.js, Javascript, Web Development, Frontend Integration, Restful API, Unit Testing, User Interface (UI)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Frontend Performance, Javascript, Data Structures, Software Installation, Maintainability, Functional Testing, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Application Deployment, UI Components, Frontend Integration, JavaScript Frameworks, Code Reusability, Web Applications, Application Programming Interface (API), Web Development Tools, Development Environment, Javascript, Context Management, User Interface (UI), Production Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Front-End Web Development, Frontend Performance, JavaScript Frameworks, Web Development Tools, Event-Driven Programming, Web Applications, Javascript, TypeScript, UI Components, Application Development, Cascading Style Sheets (CSS), User Interface (UI), Context Management, E-Commerce
Intermediate · 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, Computer Programming Tools, Visualization (Computer Graphics), Applied Mathematics, Computer Programming, General Mathematics, Numerical Analysis, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months