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.

Coursera
Skills you'll gain: React.js, Debugging, Web Design and Development, Front-End Web Development, Web Development, JavaScript Frameworks, HTML and CSS, UI Components, Javascript, Cascading Style Sheets (CSS)
★ 4.4 (417) · Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Code Reusability, Business Logic, User Interface (UI), Application Development, Web Applications, Software Development, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Test Case, Code Reusability, Test Tools, UI Components, Software Testing, Data Sharing
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Code Reusability, UI Components, Javascript, Programming Principles
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, Javascript, Web Development
★ 4.7 (58) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: React Native, Mobile Development, User Interface (UI) Design, Front-End Web Development, React Redux, Ajax, User Interface (UI), User Interface and User Experience (UI/UX) Design, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, Mobile Development Tools, UI Components
★ 4.4 (990) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Web Services, Integrated Development Environments, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, User Interface (UI), Data Persistence, MongoDB, Application Programming Interface (API), User Interface (UI) Design, Databases
★ 4.6 (31) · Intermediate · Specialization · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: React.js, OpenAI API, ChatGPT, UI Components, Web Development Tools, Full-Stack Web Development, JavaScript Frameworks, Generative AI, Application Programming Interface (API), Restful API, Front-End Web Development, Web Development, Back-End Web Development, Javascript, Debugging, HTML and CSS, Server Side, Software Development, GitHub, Programming Principles
★ 4.7 (9) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, Application Development, Development Environment, Debugging, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (24) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: JavaScript Frameworks, React.js, Application Development, Application Frameworks, Web Frameworks, Web Applications, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Development, HTML and CSS, Responsive Web Design
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Javascript
Intermediate · Course · 1 - 4 Weeks