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: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Animations
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ajax, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, JSON, UI Components, HTML and CSS, Data Mapping, Routing Protocols, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Application Programming Interface (API), Authentications, Software Testing, JSON, Security Testing, Authorization (Computing), Test Case, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Continuous Integration, Ansible, TCP/IP, Docker (Software), OSI Models, Continuous Deployment, General Networking, Application Programming Interface (API), Version Control, IT Automation, Network Administration, Software Design Patterns, JSON, Network Monitoring
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Node.JS, Web Frameworks, Server Side, Application Servers, Web Applications, Web Servers, Restful API, JSON, Middleware, API Design, Real Time Data, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, Web Development, Javascript, Front-End Web Development, Test Tools, JSON, Middleware
Advanced · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Web Development, Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Web Design, Javascript, Data Validation, Web Content, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Web Design, Semantic Web
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce Development, Salesforce, No-Code Development, Application Development, Application Design, UI Components, User Experience Design, User Interface (UI), JavaScript Frameworks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, Restful API, Back-End Web Development, User Interface (UI) Design, User Accounts, Server Side, User Interface and User Experience (UI/UX) Design, Swift Programming, JavaScript Frameworks, Secure Coding, Application Programming Interface (API), API Design, Authentications, Mobile Development, Database Software, MongoDB, Web Development, Web Applications, Development Environment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Software Design, Network Engineering, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML), Authentications
Intermediate · Course · 1 - 4 Weeks