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.

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Unit Testing, Server Side, Javascript, HTML and CSS, Cascading Style Sheets (CSS), User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, Frontend Performance, Usability, Mobile Development, Browser Compatibility, Typography, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Application Programming Interface (API), Ajax, Web Development, General Networking, Web Applications, Javascript, Scalability, Event-Driven Programming, Server Side, Real Time Data, Network Analysis
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: JavaScript Frameworks, Development Environment, Web Development Tools, Javascript, Web Applications, UI Components, Software Architecture, Dataflow, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Node.JS, Web Frameworks, Server Side, Application Servers, Web Applications, Web Servers, Restful API, JSON, Middleware, API Design, Real Time Data, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, JavaScript Frameworks, Front-End Web Development, Web Applications, UI Components, Web Design and Development, Hypertext Markup Language (HTML), Application Programming Interface (API), User Interface (UI), Event-Driven Programming, Data Validation, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Containerization, Docker (Software), Kubernetes, Application Deployment, Amazon Elastic Compute Cloud, Amazon Web Services, Application Lifecycle Management, Amazon CloudWatch, Devops Tools, System Monitoring, Continuous Monitoring, AWS Identity and Access Management (IAM), Scalability, JSON
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Application Deployment, React.js, Event-Driven Programming, User Interface (UI), Web Applications, Application Development, Web Development, Cascading Style Sheets (CSS), Javascript, JSON, Debugging
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Application Deployment, Continuous Deployment, Web Development Tools, Continuous Delivery, Release Management, React.js, Vue.JS, Code Review
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Script Development, Test Automation, Acceptance Testing, Software Testing, Web Development Tools, Usability Testing, Data Validation, Debugging
Intermediate · Guided Project · Less Than 2 Hours