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: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), Operational Databases, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Database Application, Databases, Debugging, Application Development, Data Access, Mobile Development, Cloud API, Application Programming Interface (API), Data Mapping
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: ASP.NET, .NET Framework, Responsive Web Design, jQuery, HTML and CSS, JavaScript Frameworks, Web Applications, Frontend Integration, Web Development, Javascript and jQuery, UI Components, Bootstrap (Front-End Framework), Development Environment, Cascading Style Sheets (CSS), Restful API, Microsoft Visual Studio, Microsoft Development Tools, React Redux, Application Programming Interface (API), Model View Controller
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Marketing Analytics, Social Media Analytics, Scientific Visualization, Statistical Methods, Text Mining, Data Structures, JSON, Natural Language Processing, Data Processing, Python Programming, Feature Engineering
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Data Store, JavaScript Frameworks, Frontend Performance, Development Environment, Data Management, TypeScript, Performance Tuning, Data Access, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Java Programming, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Web Applications, Cascading Style Sheets (CSS), Application Programming Interface (API), HTML and CSS, JSON, Web Servers, Javascript, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, User Experience Design, User Interface (UI), Application Programming Interface (API), Front-End Web Development, Data Management, JavaScript Frameworks, Javascript, Web Development
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, UI Components, JavaScript Frameworks, Data Access, Frontend Performance, Web Analytics and SEO, Android Development, Development Environment, Server Side, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, Code Reusability, React.js, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Software Development Tools, Generative AI Agents, Code Review, Software Development, Software Engineering, AI Personalization, GitHub, Web Development Tools, Design Software, Responsible AI, Generative AI, Web Development, Front-End Web Development, Javascript, Application Deployment, React.js, Artificial Intelligence
Beginner · Course · 1 - 3 Months

Skills you'll gain: UI Components, Responsive Web Design, Code Reusability, Web Development Tools, Application Deployment, Database Management, Web Applications, Data Store, Databases, Frontend Integration, Authentications, Application Development, JavaScript Frameworks, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Application Programming Interface (API), Web Language
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Application Deployment, Cascading Style Sheets (CSS), Development Environment, Webpack, Animations, Javascript, Web Development Tools, Hypertext Markup Language (HTML), UI Components, Typography
Beginner · Course · 1 - 3 Months