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: JavaScript Frameworks, UI Components, Full-Stack Web Development, React.js, TypeScript, Front-End Web Development, Web Development, Web Applications, Server Side, User Interface and User Experience (UI/UX) Design, Software Development, Routing Protocols, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Unit Testing, Javascript, React Native, JSON, Package and Software Management, Computer Programming, Node.JS, Object Oriented Programming (OOP), Software Testing, Functional Design
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Applications, Web Development, Leaflet (Software), React.js, User Interface (UI), Application Deployment, Web Development Tools, Application Development, HTML and CSS, OAuth, User Accounts, UI Components, Authentications, Front-End Web Development, Development Environment, User Interface and User Experience (UI/UX) Design, Javascript, Cascading Style Sheets (CSS), Responsive Web Design, Data Validation
Intermediate · Specialization · 1 - 3 Months

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

Skills you'll gain: TypeScript, UI Components, React.js, Web Applications, Front-End Web Development, Javascript, Development Environment, Programming Principles, Data Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Cloud Hosting, Front-End Web Development, React.js, Web Design and Development, Javascript, Web Applications, Web Development, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 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), Application Programming Interface (API), Javascript, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Web Development, Web Development Tools, HTML and CSS, OAuth, UI Components, Front-End Web Development, Authentications, React.js, Development Environment, Javascript, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Responsive Web Design, Front-End Web Development, React.js, HTML and CSS, UI Components, JavaScript Frameworks, Web Development, TypeScript, Javascript
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: React Native, User Interface and User Experience (UI/UX) Design, UI Components, Mobile Development, Unit Testing, Software Testing, Authentications, Debugging, iOS Development, Android (Operating System), Mobile Security, Mobile Development Tools, Animations, Application Security, Integration Testing, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, React.js, Event-Driven Programming, User Interface (UI), Application Development, API Design, Web Development, Cascading Style Sheets (CSS), Javascript, JSON, Debugging
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Full-Stack Web Development, Application Design, Software Design Documents, React.js, Package and Software Management, Web Development, Version Control, Web Development Tools, Jest (JavaScript Testing Framework), Web Content Accessibility Guidelines, Application Deployment, Software Architecture, Front-End Web Development, Technical Documentation, Performance Tuning, Software Testing, Javascript, UI Components, Application Performance Management, Dataflow
Intermediate · Course · 1 - 4 Weeks