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: Network Troubleshooting, Network Monitoring, Network Administration, Network Security, Firewall, Ansible, Network Protocols, Software-Defined Networking, Puppet (Configuration Management Tool), Chef (Configuration Management Tool), Real Time Data, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Ajax, Javascript and jQuery, JSON, Animations, Event-Driven Programming, Debugging, UI Components, Application Programming Interface (API), Web Applications, Web Development Tools, Responsive Web Design, Javascript, HTML and CSS, Interaction Design, Game Design, Cascading Style Sheets (CSS), Data Validation, Hypertext Markup Language (HTML), User Interface (UI) Design
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Go (Programming Language), Restful API, Authentications, Application Programming Interface (API), Secure Coding, API Design, Software Testing, Microservices, Test Case, Authorization (Computing), Database Development, Web Servers, Web Services, Database Management, Databases, Software Architecture, JSON, Role-Based Access Control (RBAC), Maintainability
Intermediate · Course · 1 - 3 Months
Skills you'll gain: JUnit, Test Automation, Unit Testing, Software Testing, Continuous Integration, Performance Testing, Selenium (Software), Quality Assurance, Integration Testing, Test Case, IT Automation, CI/CD, Scripting, Application Performance Management, Debugging, Java, Network Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), Command-Line Interface, Package and Software Management, Programming Principles, Secure Coding, Software Development, Computer Programming, Debugging
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Full-Stack Web Development, Node.JS, Restful API, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Swift Programming, JavaScript Frameworks, Mobile Development, Application Programming Interface (API), Database Software, Web Development, Web Applications, Back-End Web Development, Development Environment, MongoDB, Software Development Tools, Javascript, Authentications
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: JavaScript Frameworks, Development Environment, Javascript, Web Applications, Front-End Web Development, User Interface (UI), Software Architecture, Dataflow, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Application Deployment, Continuous Deployment, Web Development Tools, Continuous Delivery, Web Frameworks, Release Management, No-Code Development, React.js, Vue.JS
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Development Tools, React.js, JavaScript Frameworks, Front-End Web Development, HTML and CSS, Performance Tuning, Web Development, Cascading Style Sheets (CSS), Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

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

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Web Design and Development, Professional Development, Web Development Tools, Web Development, Javascript, GitHub
Intermediate · Course · 1 - 4 Weeks