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.

LearnQuest
Skills you'll gain: Java Programming, Java, Software Development Tools, Application Servers, Web Applications, Development Environment, Java Platform Enterprise Edition (J2EE), Object Oriented Programming (OOP), Application Development, Eclipse (Software), Program Development, Computer Programming, Object Oriented Design, Mobile Development, Programming Principles, Integrated Development Environments, UI Components, Event-Driven Programming, User Interface (UI), Virtual Machines
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Javascript
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Maven, File I/O, Build Tools, Data Import/Export, Object Oriented Programming (OOP), JSON, Java Programming, Object Oriented Design, Debugging, JUnit, Code Reusability, Software Documentation, Programming Principles, Data Structures, File Systems, Computer Programming, Web Services, File Management, Java, Computer Science
Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, OAuth, Microservices, API Design, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, MySQL Workbench, Server Side, Application Deployment, Javascript
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), HTML and CSS, User Experience Design, Web Design and Development, User Interface (UI) Design, Development Environment, Web Development Tools, Front-End Web Development, Web Design, Javascript, Web Development, Web Applications, Responsive Web Design, Microsoft Visual Studio
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Analytics, Water Sustainability, Data-Driven Decision-Making, Sustainable Systems, Environmental Monitoring, Geospatial Information and Technology, Telecommunications, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Scripting Languages, Data Manipulation, Data Structures, Operational Databases, Query Languages, Database Management, Databases, Data Import/Export, Data Capture, Spatial Data Analysis, Python Programming, File I/O
Intermediate · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: User Story, HTML and CSS, Prototyping, Model View Controller, Maintainability, Javascript, Cascading Style Sheets (CSS), Debugging, Hypertext Markup Language (HTML), jQuery, Scripting, User Interface (UI), Wireframing, Interactive Design, Javascript and jQuery, Web Design, Web Development Tools, Code Reusability, Web Applications, User Centered Design
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, Microsoft Copilot, C# (Programming Language), Application Programming Interface (API), Middleware, .NET Framework, API Design, Restful API, Back-End Web Development, Maintainability, Server Side, Programming Principles, JSON, Code Reusability, Software Architecture, Software Documentation, Secure Coding
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PostgreSQL, JSON, Query Languages, SQL, Databases, Data Access, Natural Language Processing, Database Management, Data Storage, Python Programming, Scripting
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: HTML and CSS, React.js, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Cascading Style Sheets (CSS), Web Development, User Interface (UI), Development Environment
Intermediate · Course · 1 - 4 Weeks