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.

Scrimba
Skills you'll gain: Frontend Performance, React.js, Web Development Tools, TypeScript, Front-End Web Development, JavaScript Frameworks, Build Tools, Development Environment, Software Development Tools, Application Deployment
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Frontend Integration, Web Analytics and SEO, JavaScript Frameworks, Web Development, Semantic Web, Web Applications
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Maintainability, Web Development Tools, Development Testing, JavaScript Frameworks, Development Environment, Web Applications, Event-Driven Programming, Frontend Integration, Software Installation, Configuration Management, Build Tools, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Web Services, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Development, Cloud Applications, Google Cloud Platform, Flask (Web Framework), Distributed Computing, Containerization, Systems Architecture, Software Architecture, Docker (Software), Cloud-Based Integration, Virtualization, Restful API, JSON, Microservices, Application Programming Interface (API), Computer Architecture
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JavaScript Frameworks, Restful API, Front-End Web Development, TypeScript, Application Programming Interface (API), Web Frameworks, Web Applications, Server Side, Data Access, UI Components, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Responsive Web Design, UI Components, Data Validation, User Interface (UI) Design, JavaScript Frameworks, Authentications, PostgreSQL, Web Applications, Database Development, React.js, Object-Relational Mapping, Secure Coding, Development Environment, Databases, Application Deployment, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Web Development Tools, Application Development, JavaScript Frameworks, Web Design and Development, HTML and CSS, Cloud Deployment, OAuth, User Accounts, Frontend Integration, Front-End Web Development, Authentications, Development Environment, User Interface and User Experience (UI/UX) Design
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Open Source Technology, Unix Shell, Collaborative Software, Software Installation, Unix Commands, Microsoft Visual Studio, Software Versioning, Linux Commands, Linux, File Systems, Mac OS, Web Development Tools, Shell Script, File Management, Command-Line Interface, Application Deployment, React.js
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Web Applications, Web Development, Web Development Tools, HTML and CSS, JavaScript Frameworks, OAuth, UI Components, Frontend Integration, Front-End Web Development, Authentications, React.js, Development Environment, Javascript, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks