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 Colorado Boulder
Skills you'll gain: Open Web Application Security Project (OWASP), Cyber Security Assessment, Exploitation techniques, Server Side, Application Security, Artificial Intelligence and Machine Learning (AI/ML), Vulnerability Scanning, Responsible AI, Data Security, Cyber Attacks, Security Awareness, Generative AI, Large Language Modeling, Personally Identifiable Information, Business Logic
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Case, Javascript and jQuery, Browser Compatibility, Automation, Software Design Patterns, UI Components, Java
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, React.js, Webpack, Angular, Web Development Tools, Development Environment, Debugging, Vue.JS, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, Usability, Mobile Development, UI Components, Performance Tuning, Typography, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Go (Programming Language), Restful API, Authentications, Application Programming Interface (API), Secure Coding, API Design, Software Testing, Microservices, Test Case, Authorization (Computing), Database Development, Web Servers, Web Services, Database Management, Databases, Software Architecture, JSON, Role-Based Access Control (RBAC), Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Color Theory, Web Design, Responsive Web Design, HTML and CSS, ChatGPT, User Interface (UI) Design, Web Content, Generative AI, Development Environment, Javascript, Web Servers, Cloud Hosting, Software Installation, Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Code Review, Software Development Tools, Test Automation, Software Documentation, Maintainability, Web Applications, Application Development, Generative AI, Software Development, Jest (JavaScript Testing Framework), Javascript, ChatGPT, GitHub
Intermediate · Guided Project · Less Than 2 Hours

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

University of Michigan
Skills you'll gain: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Continuous Integration, CI/CD, Selenium (Software), OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, API Gateway, Test Tools, Git (Version Control System), Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Web Applications, HTML and CSS, Web Development, AI Personalization, Javascript, Prompt Engineering, User Interface (UI), Interactive Design, Generative AI Agents, LLM Application, ChatGPT, Natural Language Processing, Human Machine Interfaces, Large Language Modeling, Databases, Database Management, Artificial Intelligence
Intermediate · Guided Project · Less Than 2 Hours