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.

Northeastern University
Skills you'll gain: Web Design and Development, Responsive Web Design, HTML and CSS, Web Design, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Cascading Style Sheets (CSS), Web Development Tools, Hypertext Markup Language (HTML), React.js, User Interface (UI), JavaScript Frameworks, Web Applications, Javascript, Web Servers, Server Side, Software Development Tools, Semantic Web, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Node.JS, Authentications, Cloud Deployment, Middleware, MongoDB, Server Side, Back-End Web Development, Role-Based Access Control (RBAC), Application Deployment, Full-Stack Web Development, API Testing, Authorization (Computing), Redis, JavaScript Frameworks, JSON, Database Management, TypeScript, Javascript, Database Design, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Debugging, Development Environment, Open Source Technology, Integrated Development Environments, Program Development, AI Integrations, Software Development, Software Development Tools, Generative AI, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Server Side, React Redux, Full-Stack Web Development, MySQL, React.js, Frontend Integration, Application Deployment, Back-End Web Development, Node.JS, Database Management, Web Applications, Front-End Web Development, Continuous Deployment, Application Development, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Frontend Performance, CI/CD, E-Commerce, Restful API
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apple Xcode, iOS Development, Apple iOS, Swift Programming, Data Persistence, JSON, Application Deployment, Mobile Development, User Interface (UI), Web Services, UI Components, Application Development, User Interface (UI) Design, Programming Principles, Application Programming Interface (API), Application Design, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: UI Components, .NET Framework, ASP.NET, C# (Programming Language), Application Programming Interface (API), Web Applications, Web Components, Restful API, Cloud Deployment, Microsoft Azure, Back-End Web Development, Object-Relational Mapping, Web Frameworks, Code Reusability, Frontend Integration, Application Frameworks, Cloud Applications, Server Side, Application Deployment, Authentications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Programming Interface (API), Web Applications, Back-End Web Development, Web Development Tools, Frontend Integration, API Testing, Web Development, Javascript, JSON, Application Security, PHP (Scripting Language)
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Apple software proficiency, Back-End Web Development, Performance Tuning, Application Security, Debugging, Knowledge of Apple Software, Build Tools, Application Performance Management, Application Programming Interface (API), Encryption, JSON, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), UI Components, HTML and CSS, Front-End Web Development, Web Design, Animations, Javascript, Application Deployment, Interactive Design, Web Content Accessibility Guidelines, Hypertext Markup Language (HTML), Usability, Code Reusability
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, File I/O, Javascript, Event-Driven Programming, Web Servers, Software Installation, Server Side, Application Development, File Management, Command-Line Interface, TCP/IP, Servers, OS Process Management, Application Deployment, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Cloud Deployment, Software Testing, Web Development, Real Time Data, Application Programming Interface (API), Authentications, Context Management, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Full-Stack Web Development, Server Side, Restful API, Angular, Middleware, Application Deployment, Authentications, Javascript, Web Applications, API Design, MongoDB, Application Programming Interface (API), Back-End Web Development, Front-End Web Development, Development Environment
Beginner · Course · 1 - 3 Months