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: Docker (Software), Containerization, Restful API, User Interface (UI), HTML and CSS, Node.JS, MongoDB, Database Management, Databases, JavaScript Frameworks, Web Applications, Web Development, Web Development Tools, Back-End Web Development, Full-Stack Web Development, Application Development, Javascript, GitHub
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java, Java Programming, Eclipse (Software), Object Oriented Programming (OOP), Development Environment, Computer Programming, Program Development, Virtual Machines, Web Applications, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: JSON, Data Structures, Algorithms, Web Development Tools, Javascript, Pseudocode, Development Environment, Integrated Development Environments, Computer Programming, Application Programming Interface (API), Debugging, HTML and CSS, Object Oriented Programming (OOP), Computational Thinking, Performance Tuning, Solution Design
Beginner · Specialization · 1 - 3 Months

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: Restful API, Android Development, Kotlin, API Design, Android Studio, Mobile Development, Database Management, Data Persistence, Databases, JSON, Web Applications, SQL
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Cascading Style Sheets (CSS), GitHub, HTML and CSS, Git (Version Control System), Microsoft Copilot, Web Development, Web Content Accessibility Guidelines, Responsive Web Design, Hypertext Markup Language (HTML), Javascript, Web Design, Front-End Web Development, JSON, Semantic Web
Beginner · Course · 1 - 3 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, Databases, Data Persistence, Mobile Development, Data Storage Technologies, JSON, Data Management, Network Model, Application Development, Authentications
Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Algorithms, Integrated Development Environments
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Web Development, Software Testing, Test Automation, Development Testing, WordPress, Javascript
Intermediate · 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
Skills you'll gain: Vue.JS, HTML and CSS, Web Applications, JavaScript Frameworks, Front-End Web Development, Web Components, Javascript, Data Persistence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Front-End Web Development, HTML and CSS, Bootstrap (Front-End Framework), Web Design, User Interface (UI), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Event-Driven Programming, Web Applications, UI Components, Web Development, Interactive Design, User Interface (UI) Design, Javascript, jQuery, User Experience Design, Web Design and Development, Animations
Intermediate · Specialization · 3 - 6 Months