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: 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

Skills you'll gain: API Testing, Unit Testing, Node.JS, Hardening, Application Performance Management, Authentications, Software Testing, System Monitoring, Secure Coding, Performance Tuning, Back-End Web Development, Postman API Platform, Application Programming Interface (API), Server Side, Application Deployment, Security Testing, Web Development Tools, JSON, MongoDB, GitHub
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), ASP.NET, Maintainability, Object Oriented Design, .NET Framework, JSON, Development Environment, Web Development, Application Frameworks, Restful API, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, File I/O, Web Applications, UI Components, Object Oriented Programming (OOP), Back-End Web Development, Functional Design, Application Deployment
Beginner · Specialization · 3 - 6 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

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, User Interface (UI), Apple Xcode, User Interface (UI) Design, Data Persistence, UI Components, Mobile Development, Programming Principles, Unit Testing, Application Development, Data Store, Mobile Development Tools, Software Testing, Apple software proficiency, Generative AI Agents, JSON, Mac OS, Storyboarding
Beginner · Course · 3 - 6 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, Web Design, Typography, API Design, Web Applications, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), React.js, Javascript, Web Development
Beginner · 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

University of Michigan
Skills you'll gain: Stored Procedure, NoSQL, Database Design, Database Architecture and Administration, SQL, Database Systems, Relational Databases, Cloud Applications, Database Theory, PostgreSQL, Database Management Systems, Data Store, Databases, Data Modeling, JSON, Database Software, Database Application, Database Management, Query Languages, Natural Language Processing
Intermediate · Specialization · 3 - 6 Months

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

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Programming Principles, Functional Design, Java Programming, Other Programming Languages, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Front-End Web Development, Git (Version Control System), Web Content Accessibility Guidelines, User Interface and User Experience (UI/UX) Design, HTML and CSS, Cascading Style Sheets (CSS), UI/UX Strategy, React.js, Code Review, Frontend Integration, Version Control, Usability, Web Design, User Interface (UI), Web Design and Development, Usability Testing, User Interface (UI) Design, Software Technical Review, Javascript
Intermediate · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Wireframing, User Interface and User Experience (UI/UX) Design, Mockups, UI/UX Strategy, Responsive Web Design, User Interface (UI), Web Design, User Interface (UI) Design, User Experience, User Experience Design, Prototyping, Web Design and Development, Visual Design, Web Language, UI/UX Research, Graphic and Visual Design, Interactive Design, HTML and CSS, Design Elements And Principles, Typography
Intermediate · Course · 1 - 3 Months