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: Blockchain, Front-End Web Development, Application Development, Web Development, JavaScript Frameworks, Transaction Processing, User Interface (UI), Development Testing, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, API Design, Javascript, Application Deployment, Scalability, Data Management
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, Front-End Web Development, Network Routing, User Interface (UI), UI Components, Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Application Programming Interface (API), Web Design, Restful API, Authorization (Computing), Software Design, Javascript, Web Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Scatter Plots, Histogram, Data Visualization, Data Manipulation, Data Import/Export, JSON, Data Cleansing, Data Visualization Software, Exploratory Data Analysis, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft Visual Studio, GitHub, Code Review, Integrated Development Environments, Program Development, Software Documentation, Maintainability, Computer Programming Tools, Test Automation, Web Development Tools, Software Technical Review, Technical Documentation, Test Case, Debugging, React.js
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, API Design, Node.JS, Software Documentation, JavaScript Frameworks, Web Services, Middleware, Authentications, JSON, Server Side, Web Applications, Authorization (Computing)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Figma (Design Software), Front-End Web Development, User Interface (UI), Responsive Web Design, Web Design and Development, Mockups, Web Design, Web Content Accessibility Guidelines, Prototyping, Javascript, Web Development
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Server Side
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Front-End Web Development, User Interface (UI) Design, Web Applications, JavaScript Frameworks, Restful API, Web Development, Secure Coding, Authentications, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Continuous Integration, Restful API, User Requirements Documents, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Hibernate (Java), Database Application, HTML and CSS, Full-Stack Web Development, Spring Boot, Java Platform Enterprise Edition (J2EE), Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months

Skills you'll gain: Angular, UI Components, Web Development Tools, JavaScript Frameworks, User Interface (UI), Routing Protocols, TypeScript, Cascading Style Sheets (CSS)
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Prompt Engineering Tools, Application Performance Management, Scalability, User Interface (UI), Database Application, Generative AI Agents, Database Development, Databases, Performance Tuning, Application Deployment, Maintainability, Data Storage
Intermediate · Course · 1 - 4 Weeks