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: Full-Stack Web Development, Development Environment, Front-End Web Development, React.js, UI Components, Back-End Web Development, Web Development, Natural Language Processing, Application Programming Interface (API)
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), API Design, JSON, Software Architecture, Web Design and Development, Web Applications, Front-End Web Development, Web Development
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: React Native, Mobile Development, iOS Development, Android Development, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Performance Tuning, Data Validation
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Spring Boot, Spring Framework, Restful API, Application Programming Interface (API), API Design, Data Persistence, Web Applications, Application Frameworks, Software Testing, Object-Relational Mapping, Hibernate (Java), Application Security, Authentications, JSON, Authorization (Computing), Dependency Analysis
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Databases, Performance Tuning, Maintainability, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Web Applications, Application Development, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Cloud Deployment, JavaScript Frameworks, OAuth, User Accounts, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Secure Coding, Responsive Web Design, Javascript, Software Installation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Front-End Web Development, Debugging, Full-Stack Web Development, Animations, Web Applications, Javascript, Test Script Development
Advanced · Course · 1 - 3 Months

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Usability, Web Applications, Semantic Web, Data Validation
Beginner · Course · 1 - 3 Months