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: Matplotlib, Scientific Visualization, Data Visualization Software, Interactive Data Visualization, Seaborn, Jupyter, NumPy, Performance Tuning, Development Environment, Python Programming, Javascript, Debugging
Mixed · Course · 1 - 3 Months

Skills you'll gain: React.js, ChatGPT, Application Deployment, JavaScript Frameworks, Front-End Web Development, Application Programming Interface (API), Debugging, User Interface (UI), User Interface and User Experience (UI/UX) Design, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript and jQuery, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Make.com, Google Gemini, Tool Calling, Calendar Management, Scheduling, Workflow Management, Data Ethics, JSON
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Programming Principles, Scripting, Integrated Development Environments, Development Environment, Text Mining, File Management, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JSON, Package and Software Management, Web Scraping, Application Programming Interface (API), File Management, Python Programming, Authentications, Scripting, Data Processing, Performance Testing, Probability & Statistics
Intermediate · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Web Design, WordPress, Web Language, HTML and CSS, Web Content, Web Development, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management, Web Applications
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, NoSQL, Application Programming Interface (API), Scalability, JSON, Performance Tuning, System Configuration, Geospatial Information and Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: LLM Application, OpenAI, Generative AI Agents, Agentic systems, Tool Calling, Prompt Engineering, ChatGPT, Artificial Intelligence, Application Programming Interface (API), User Interface (UI), Large Language Modeling, Python Programming, Development Environment, Application Deployment, JSON, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Mobile Development, User Interface (UI), Apple Xcode, Restful API, User Interface and User Experience (UI/UX) Design, Application Development, Development Environment, Application Programming Interface (API), UI Components, Real Time Data, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Email Automation, Scripting, Automation, Python Programming, Restful API, Application Programming Interface (API), JSON, System Monitoring, Image Analysis
Beginner · Course · 1 - 3 Months