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.

University of Michigan
Skills you'll gain: Relational Databases, Data Visualization, Data Store, Web Scraping, Database Management, Scatter Plots, Data Manipulation, SQL, JSON, Application Programming Interface (API), Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · 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: Program Development, Integrated Development Environments, Software Development, AI Integrations, AI literacy, Web Development Tools, Web Development, Artificial Intelligence, React.js, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, 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, General Networking, Networking Hardware, Computing Platforms, Application Programming Interface (API), Version Control, IT Automation, Software Design Patterns, JSON
Intermediate · Specialization · 1 - 3 Months

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: Internet Of Things, Docker (Software), Grafana, Development Environment, Embedded Software, Security Controls, Devops Tools, Containerization, Interactive Data Visualization, DevOps, JSON, Network Protocols, Dashboard Creation, Embedded Systems, Authentications, Automation, Data Storage
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Extensible Markup Language (XML), Ansible, Infrastructure as Code (IaC), Devops Tools, JSON, Kubernetes, DevOps, Microsoft Visual Studio, Python Programming, Data Structures
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Server Side, Web Applications, Web Servers, Secure Coding, Restful API, Middleware, API Design, Real Time Data, Code Reusability, Maintainability
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Scalability, Software Design Patterns, Node.JS, Distributed Computing, Dataflow, Data Pipelines, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Performance Tuning, Live Streaming, Real Time Data, Systems Architecture, File I/O, Javascript, Object Oriented Programming (OOP), Code Reusability, Maintainability, OS Process Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Unit Testing, Software Quality Assurance, Development Testing, Integrated Development Environments, Software Testing, Quality Assurance, Java, Software Development Tools, Java Programming, Performance Tuning, Debugging, Performance Testing, Application Performance Management
Intermediate · Guided Project · Less Than 2 Hours

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