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.

Skills you'll gain: Node.JS, API Testing, Restful API, Unit Testing, API Design, Hardening, Application Performance Management, Authentications, Server Side, Postman API Platform, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Web Servers, Application Programming Interface (API), Application Deployment, MongoDB, Databases
Intermediate · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Debugging, Development Environment, Javascript, Computer Programming Tools, Visualization (Computer Graphics), Program Development, JavaScript Frameworks, Computer Graphics, Computer Programming, Graphical Tools, Event-Driven Programming, Interactive Design, Human Computer Interaction, Programming Principles, Data Management, Maintainability
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Front-End Web Development, HTML and CSS, Web Language, Web Design and Development, Web Development, Web Development Tools, Web Content, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Session Initiation Protocols, Node.JS, File Transfer Protocol (FTP), Debugging, Web Applications, Data Import/Export, File I/O, Frontend Performance, Scalability, Verification And Validation, Full-Stack Web Development, Data Validation, JSON, Real Time Data, Event-Driven Programming, Memory Management, Performance Tuning, Server Side, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Prompt Patterns, Prompt Engineering, Code Review, Code Reusability, Application Lifecycle Management, CI/CD, Agentic systems, Software Technical Review
Intermediate · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Mobile Development, Java, Android (Operating System), Object Oriented Programming (OOP), Mockups, Java Programming, Data Persistence, Application Deployment, JSON, Web Services, Application Design, Object Oriented Design, Restful API, Mobile Development Tools, Application Development, Data Storage Technologies, Software Design, Instagram
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Mobile Development, Cross Platform Development, Debugging, Application Development, Vibe coding, User Interface (UI), iOS Development, UI Components, Android Jetpack, User Interface and User Experience (UI/UX) Design, Mobile Development Tools, Interactive Design, Android Development, AI powered creativity, User Interface (UI) Design, Apple iOS, Web Applications, Swift Programming, Program Development, Python Programming
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Tool Calling, OpenAI, AI Workflows, LLM Application, AI Integrations, Agentic Workflows, Retrieval-Augmented Generation, AI Orchestration, Generative AI Agents, Multimodal Prompts, Interactive Data Visualization, Prompt Engineering, Application Deployment, Cloud Deployment, Large Language Modeling, Image Analysis, Embeddings, Python Programming, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), ASP.NET, Full-Stack Web Development, .NET Framework, Back-End Web Development, CI/CD, Microsoft Azure, Docker (Software), Web Development, Containerization, Application Deployment, PostgreSQL, Object Oriented Programming (OOP), Cloud Infrastructure, Database Management, Web Development Tools, Database Design, API Design, GitHub, Middleware
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Large Language Modeling, AI Security, Agentic Workflows, Embeddings, Generative AI Agents, Vector Databases, Generative AI, Application Deployment, Context Management, Artificial Intelligence, AI Personalization, Knowledge Transfer, Prototyping, Test Tools, JSON, Systems Architecture, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Development, Development Environment, Program Development, Application Lifecycle Management, Cross Platform Development, User Interface (UI), Web Applications, Event-Driven Programming, User Interface (UI) Design, Application Frameworks, Node.JS, Software Development Tools, HTML and CSS, Hypertext Markup Language (HTML), Package and Software Management, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 3 Months