JavaScript courses can help you learn programming fundamentals, DOM manipulation, asynchronous programming, and event-driven development. You can build skills in debugging, working with APIs, and creating interactive web applications. Many courses introduce tools like Node.js for server-side development, React for building user interfaces, and Git for version control, showing how these skills come together in real-world projects.

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Typography, Web Design and Development, Front-End Web Development, Cascading Style Sheets (CSS), UI Components, Figma (Design Software), Browser Compatibility, Hypertext Markup Language (HTML), User Interface (UI) Design, Interactive Design, Design, User Interface (UI), Web Content Accessibility Guidelines, Usability, Code Reusability, Animations
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Web Components, React.js, Node.JS, JavaScript Frameworks, Web Development Tools, Frontend Performance, Front-End Web Development, Web Content, Web Development, HTML and CSS, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: React.js, Authentications, Frontend Performance, Authorization (Computing), Web Applications, Web Development, User Experience Design
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Generative AI, AI Personalization, Software Development Tools, GitHub, Application Development, Artificial Intelligence, Code Review, Responsible AI, Design Software, Web Development Tools, Front-End Web Development, Software Development, React.js, Javascript, Web Development, Software Engineering
Beginner · Course · 1 - 3 Months

Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Performance Testing, Quality Assurance, Performance Stress Testing, IT Automation, Performance Tuning, Scripting, Debugging, Network Performance Management, Simulations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: UI Components, Responsive Web Design, Code Reusability, Web Development Tools, Application Deployment, Database Management, Web Applications, Data Store, Web Components, Frontend Integration, Authentications, Application Development, JavaScript Frameworks, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Application Programming Interface (API), Payment Systems
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Java Programming, Java, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Back-End Web Development, Databases, Application Performance Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Collaborative Software, Javascript
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Responsive Web Design, OpenAI API, HTML and CSS, Cascading Style Sheets (CSS), Javascript, LLM Application, Application Development, User Interface (UI) Design, Web Design and Development, Application Programming Interface (API), OpenAI, Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Application Lifecycle Management, Power Apps Component Framework, Microsoft Power Platform, Power Platform Architecture & Technical Design, Azure DevOps Pipelines, Software Development Life Cycle, Microsoft Power Automate/Flow, Azure DevOps, Power Platform CLI, Application Development, Microsoft Development Tools, DevOps, Enterprise Application Management, Application Deployment, Database Design, Email Automation, Data Modeling, Database Development, Microsoft Copilot, Power BI
Intermediate · Specialization · 1 - 3 Months