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.

LearnQuest
Skills you'll gain: Angular, Web Components, Cascading Style Sheets (CSS), JavaScript Frameworks, Application Frameworks, UI Components, Front-End Web Development, TypeScript, Web Applications, Hypertext Markup Language (HTML), Web Development, Development Environment
Beginner · Course · 1 - 4 Weeks

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, digital literacy, Data Analysis, Data-Driven Decision-Making, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Computer Programming, Productivity Software, Web Development, Information Technology, Business Technologies, Javascript, Python Programming, Blockchain, Cloud Computing, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, User Flows, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: HTML and CSS, JSON, Responsive Web Design, Ajax, Web Design and Development, Animations, Algorithms, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Front-End Web Development, Web Design and Development, HTML and CSS, User Interface and User Experience (UI/UX) Design, Web Applications, UI Components, Browser Compatibility, Javascript, Interactive Design, Mobile Development, Typography, Animations
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Web Development, Database Design, Relational Databases, Web Development Tools, Databases, Full-Stack Web Development, Application Deployment, HTML and CSS, Cloud Deployment, Back-End Web Development, Application Development, Front-End Web Development, JavaScript Frameworks, Application Servers, Web Servers, Scripting, Javascript, Network Protocols, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Node.JS, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Data Validation, Web Design, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, .NET Framework, JSON, Application Programming Interface (API), Web Services, Middleware, Back-End Web Development, Server Side, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Server Side, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, Scalability, GitHub, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, HTML and CSS, Version Control, Web Development, Web Design and Development, Code Review, Web Analytics and SEO, Database Development, Figma (Design Software), Mockups, Software Development
Advanced · Course · 1 - 3 Months