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.

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

Skills you'll gain: Bootstrap (Front-End Framework), Responsive Web Design, UI Components, HTML and CSS, Application Deployment, Web Design, Cascading Style Sheets (CSS), Web Development, Front-End Web Development, Interactive Design, Javascript, Cloud Hosting, Hypertext Markup Language (HTML), Typography, Animations, Data Validation
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Applications, Web Frameworks, Scalability, Web Development, File I/O, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), Software Development Tools, Object-Relational Mapping, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Data Import/Export, Code Reusability, Web Frameworks, Web Design and Development, Front-End Web Development, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Frontend Performance, Content Management, Cascading Style Sheets (CSS), Application Frameworks, Javascript, File Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Web Applications, UI Components, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design and Product, Model View Controller, Debugging, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Interface (UI) Design, UI Components, Web Applications, Algorithms, Web Design and Development, JSON, Program Development, User Story, Javascript, Automation, Hypertext Markup Language (HTML), Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours

Skills you'll gain: React.js, Bootstrap (Front-End Framework), Web Applications, Frontend Integration, JavaScript Frameworks, UI Components, Full-Stack Web Development, Authentications, Front-End Web Development, ASP.NET, HTML and CSS, Cascading Style Sheets (CSS), Application Programming Interface (API), Authorization (Computing), Secure Coding, Web Design and Development, User Interface (UI), Javascript, Web Development Tools, Microsoft Azure
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Javascript
Intermediate · Course · 1 - 4 Weeks

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