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.

University of Toronto
Skills you'll gain: Mindfulness, Active Listening, Stress Management, Empowerment, Meditation & Breathwork, Biology, Physiology
★ 4.8 (453) · Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Communication Strategies, Cultural Sensitivity, Intercultural Competence, Cultural Diversity, Verbal Communication Skills, Communication, Cultural Responsiveness, Interpersonal Communications, Relationship Building, Non-Verbal Communication, Culture, Diversity Awareness, Negotiation, International Relations, Diplomacy
★ 4.7 (669) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Financial Regulation, Financial Regulations, Bank Regulations, FinTech, Financial Services, Financial Industry Regulatory Authorities, Law, Regulation, and Compliance, Regulatory Compliance, Risk Management Framework, Regulatory Requirements, Financial Controls, Regulatory Affairs, Fraud detection, Loss Prevention, Data Security, Cybersecurity, Human Factors (Security), Insurance, Blockchain, Information Privacy
★ 4.7 (326) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Bootstrap (Front-End Framework), Browser Compatibility, Responsive Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, UI Components, Frontend Integration, React.js, Application Frameworks, Software Installation
★ 4.4 (104) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Continuous Integration, Application Deployment, React.js, DevOps, NoSQL, Database Management, Kubernetes, Front-End Web Development, Software Architecture, Authorization (Computing), Frontend Integration, Back-End Web Development, Restful API, Application Programming Interface (API), GitHub, Javascript
★ 4.7 (43) · Advanced · Course · 1 - 3 Months

Skills you'll gain: GitHub Copilot, Integrated Development Environments, Microsoft Visual Studio, AI Enablement, Development Environment, Debugging, HTML and CSS, React.js, Cascading Style Sheets (CSS), Software Installation
★ 4.3 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), User Experience Design, UI Components, Front-End Web Development, User Interface (UI) Design, User Interface (UI), Web Design, React.js, Responsive Web Design, User Centered Design, User Experience, Design Elements And Principles, Javascript
★ 1.7 (6) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI Agents, Tool Calling, Agentic Workflows, Agentic systems, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, OpenAI, Artificial Intelligence
★ 4.6 (88) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, User Interface (UI), Leaflet (Software), Data Processing, Interactive Data Visualization, Scientific Visualization, Big Data, Visualization (Computer Graphics), Geospatial Mapping, Data Manipulation, Data Transformation, Apache Spark, Spatial Data Analysis, Computer Graphics
★ 4.4 (547) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), User Interface (UI) Design, MongoDB, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
★ 4.2 (65) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, Git (Version Control System), HTML and CSS, Version Control, Hypertext Markup Language (HTML), Web Development, Frontend Integration, Web Design, Web Components, UI Components, Code Review, Web Applications, Cascading Style Sheets (CSS), Web Analytics and SEO, Figma (Design Software), Mockups, Software Development
★ 4.6 (57) · Advanced · Course · 1 - 3 Months