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: Data Visualization Software, Data Visualization, Interactive Data Visualization, Visualization (Computer Graphics), JSON, Data Mapping, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Angular, Web Design and Development, Front-End Web Development, HTML and CSS, Responsive Web Design, React.js, JavaScript Frameworks, Web Development, Cascading Style Sheets (CSS), UI Components, Event-Driven Programming, Maintainability, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Color Theory, Javascript, Front-End Web Development, User Interface (UI) Design, Web Development, Data Validation
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, JavaScript Frameworks, Front-End Web Development, Javascript, Web Development, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

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

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: Leaflet (Software), React.js, Application Deployment, Application Development, Web Development, HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, UI Components
Intermediate · Course · 1 - 4 Weeks

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

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

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