React JS courses can help you learn component-based architecture, state management, and routing. You can build skills in creating interactive user interfaces, optimizing performance, and managing application state with tools like Redux. Many courses also cover testing frameworks such as Jest and React Testing Library, enabling you to ensure your applications are robust and reliable.

Scrimba
Skills you'll gain: React.js, UI Components, Web Content Accessibility Guidelines, Code Reusability, Game Design, Front-End Web Development, Application Programming Interface (API), Usability, JavaScript Frameworks, Web Development Tools, Web Applications, Web Frameworks, Interaction Design, Event-Driven Programming, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Front-End Web Development, Event-Driven Programming, Javascript, Context Management, Web Applications, UI Components, Cascading Style Sheets (CSS), Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Full-Stack Web Development, React.js, Application Programming Interface (API), Web Services, Spring Boot, Front-End Web Development, Web Applications, MongoDB, UI Components, NoSQL, Data Persistence, Data Access
Intermediate · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, API Design, Application Programming Interface (API), Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, React.js, Full-Stack Web Development, JavaScript Frameworks, Restful API, Front-End Web Development, Back-End Web Development, Spring Boot, Web Applications, User Interface (UI), User Interface (UI) Design, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Native, UI Components, Mobile Development, User Interface (UI), User Interface (UI) Design, Cross Platform Development, Android Development, Apple iOS, iOS Development, Application Development, Interactive Design, Restful API, Application Programming Interface (API), Payment Systems
Intermediate · Course · 3 - 6 Months

Skills you'll gain: React.js, JavaScript Frameworks, Javascript and jQuery, Javascript, Software Design Patterns, Code Reusability, Web Development, Application Development, Mobile Development
Advanced · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, User Interface (UI), User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development, User Interface (UI) Design, UI/UX Strategy, Secure Coding, Development Testing, Unit Testing, Software Testing, Authentications, Data Security, Test Engineering, Debugging, iOS Development, Android (Operating System), Mobile Security, Interaction Design, Cross Platform Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Unit Testing, JavaScript Frameworks, Testability, Test Driven Development (TDD), Test Case, Software Testing, Development Testing, Test Script Development, Test Tools, React.js, Integration Testing, UI Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Web Design, JavaScript Frameworks, Javascript, Restful API, UI Components, Event-Driven Programming
Beginner · Course · 3 - 6 Months

Skills you'll gain: TypeScript, Code Reusability, React.js, Javascript, Software Design Patterns
Advanced · Guided Project · Less Than 2 Hours