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.

Skills you'll gain: JavaScript Frameworks, React.js, Full-Stack Web Development, UI Components, Node.JS, Application Deployment, Javascript, Web Applications, Front-End Web Development, Web Development Tools, Event-Driven Programming, Back-End Web Development, Program Development, Animations
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: React Redux, JavaScript Frameworks, Web Development Tools, Web Applications, Data Store, Application Performance Management, Middleware
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: TypeScript, React.js, Javascript, Debugging, Integrated Development Environments
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: TypeScript, Javascript, React.js, JavaScript Frameworks, Web Development Tools, Application Development, Web Development
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, Test Case, React.js, Test Driven Development (TDD), Software Testing, Web Development Tools, Ajax, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: React Redux, React.js, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, JavaScript Frameworks, Authentications, Responsive Web Design, Restful API, Full-Stack Web Development, User Interface (UI), User Accounts, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), JavaScript Frameworks, Front-End Web Development, Unit Testing, UI Components, Event-Driven Programming, Javascript, User Interface (UI), Software Testing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), Test Case, Unit Testing, UI Components, Software Testing, Development Testing, Javascript, User Interface (UI), Data Sharing
Intermediate · Course · 1 - 4 Weeks