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: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Node.JS, Angular, Restful API, API Design, NoSQL, Bootstrap (Front-End Framework), Database Development, Scalability, JavaScript Frameworks, Authentications, Query Languages, Web Frameworks, Web Applications, JSON, Application Programming Interface (API), Database Management, Authorization (Computing), Distributed Computing, Web Development Tools
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: HTML and CSS, React.js, ASP.NET, Restful API, .NET Framework, Web Applications, Web Services, Hypertext Markup Language (HTML), Front-End Web Development, JSON, Application Development, JavaScript Frameworks, Model View Controller, Web Design and Development, Application Frameworks, Web Development Tools, Development Environment, Web Development, Microsoft Visual Studio, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: React.js, Routing Protocols, UI Components, Code Reusability, JavaScript Frameworks, Front-End Web Development, Frontend Performance, Web Content Accessibility Guidelines, Cascading Style Sheets (CSS), Event-Driven Programming, User Experience Design, User Interface (UI), Debugging, Web Development Tools, Web Frameworks, Data Management, Context Management, Javascript, Application Programming Interface (API), Data Mapping
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, JavaScript Frameworks, Data Persistence, UI Components, Javascript, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Web Design and Development, Cascading Style Sheets (CSS), UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Browser Compatibility, Frontend Integration, Javascript, Interactive Design, Hypertext Markup Language (HTML), Cross Platform Development
Intermediate · Guided Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Java Programming, Scalability, Cloud Development, Cloud Applications, Cloud API, Secure Coding, Web Services, Cloud Services, Cloud Computing, Cloud Computing Architecture, JSON, Cloud Deployment, Java Platform Enterprise Edition (J2EE), Data Security, Web Servers, Restful API
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Design and Development, Web Applications, Code Reusability, Cascading Style Sheets (CSS), Web Development, Software Design Patterns, UI Components
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: C# (Programming Language), Restful API, ASP.NET, Model View Controller, .NET Framework, Docker (Software), Azure DevOps, Object Oriented Programming (OOP), Azure DevOps Pipelines, Microservices, Containerization, JSON, Application Programming Interface (API), API Design, DevOps, Web Services, Middleware, CI/CD, Object Oriented Design, Application Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MySQL, Stored Procedure, Database Management, SQL, Transaction Processing, Databases, Database Development, JSON, Relational Databases, Query Languages, Advanced Analytics, Performance Tuning, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), Code Reusability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Cascading Style Sheets (CSS), Data Mapping
Intermediate · Course · 3 - 6 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Programming Principles, Data Structures, Functional Design, Object Oriented Programming (OOP), Computational Logic, Algorithms, Command-Line Interface
Intermediate · Course · 1 - 3 Months