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.

Scrimba
Skills you'll gain: Web Applications, Full-Stack Web Development, Database Application, Data Store, Database Development, Database Management, SQL, Query Languages, Data Access, Real Time Data, Javascript, Data Entry, Software Engineering, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Web Design, Application Deployment, Cascading Style Sheets (CSS), Development Environment, Webpack, Animations, Javascript, Web Development Tools, Hypertext Markup Language (HTML), UI Components, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Java, Test Tools, 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

Board Infinity
Skills you'll gain: Vue.JS, Application Deployment, UI Components, JavaScript Frameworks, Data Access, Frontend Performance, Web Analytics and SEO, Android Development, Development Environment, Server Side, Data Management
★ 3.6 (9) · Intermediate · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Automation, Test Tools, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Data Store, JavaScript Frameworks, Frontend Performance, Development Environment, Data Management, TypeScript, Performance Tuning, Data Access, Debugging
★ 3.2 (10) · Intermediate · Course · 1 - 4 Weeks

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), File I/O, JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Computer Programming, Programming Principles, Statistical Programming, Web Development, Program Development, Scripting, Scripting Languages, Integrated Development Environments, Data Manipulation, Text Mining, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Hypertext Markup Language (HTML), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Development Tools, Web Design, Web Language, Software Development Tools, Development Environment, Web Design and Development, Web Content Accessibility Guidelines, Front-End Web Development, Web Development, Web Content, Semantic Web, Integrated Development Environments, Typography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Scraping, Data Import/Export, Extensible Markup Language (XML), Data Processing, Cascading Style Sheets (CSS), JSON, Data Pipelines, Software Installation, Application Programming Interface (API), MongoDB, Hypertext Markup Language (HTML), Data Collection
Beginner · Course · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Security, Firewall, Ansible, Network Performance Management, Network Infrastructure, Network Protocols, Security Controls, Event Monitoring, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data, JSON, Automation, Identity and Access Management, Restful API, Application Programming Interface (API)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Javascript, Web Design and Development, HTML and CSS, Web Development Tools, Event-Driven Programming, Data Validation, Hypertext Markup Language (HTML), Programming Principles, Scripting Languages, Computer Programming, Verification And Validation, Event Monitoring, Debugging
Mixed · Course · 1 - 4 Weeks