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: Application Deployment, Software As A Service, Frontend Integration, Cloud Deployment, Full-Stack Web Development, Node.JS, Back-End Web Development, OAuth, Platform As A Service (PaaS), JavaScript Frameworks, Web Applications, Role-Based Access Control (RBAC), Web Development Tools, React.js, Web Development, Web Frameworks, Authentications, Front-End Web Development, Software Development, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Spring Framework, Object Oriented Design, Cascading Style Sheets (CSS), Javascript
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Javascript, Cross Platform Development, Web Applications, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Web Applications, HTML and CSS, Event-Driven Programming, Front-End Web Development, Web Design and Development, Hypertext Markup Language (HTML), Javascript, Application Design, Application Development, Data Validation, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

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

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

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

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

Skills you'll gain: Prompt Engineering, Exploitation techniques, Cyber Security Assessment, Penetration Testing, Model Context Protocol, API Testing, AI Security, Vulnerability Scanning, Prompt Engineering Tools, LLM Application, AI Integrations, Unix Shell, Postman API Platform, Shell Script, Security Testing, Vulnerability Assessments, Prompt Patterns, Anthropic Claude, AI Workflows, Model Deployment
Intermediate · Course · 3 - 6 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

The State University of New York
Skills you'll gain: Web Design, Web Design and Development, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Hypertext Markup Language (HTML), Information Architecture, Web Presence, Web Development, Content Management Systems, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Debugging, Application Development, Node.JS, Application Design, Web Applications, Data Storage Technologies, Maintainability, Secure Coding, Build Tools, User Interface (UI), System Programming, Application Deployment, UI Components, Package and Software Management, File I/O, Data Storage, Web Content
Intermediate · Course · 1 - 3 Months