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: Core Data (Software), iOS Development, Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, Code Review, UI Components, Object Oriented Design, Object Oriented Programming (OOP), Unit Testing, Data Structures, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Store, Application Development, Transaction Processing, Mobile Development
Beginner · Specialization · 3 - 6 Months

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

Meta
Skills you'll gain: Restful API, API Testing, Django (Web Framework), API Design, Software Documentation, Application Programming Interface (API), Authentications, Authorization (Computing), Debugging, JSON, Performance Tuning, Data Validation, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, Git (Version Control System), AI Integrations, Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Javascript, Programming Principles, Computational Logic, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Web Applications, Application Development, Web Design and Development, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Transaction Processing, Business Logic, Programming Principles, Data Validation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: OAuth, API Gateway, Application Programming Interface (API), Cloud API, API Design, Application Security, Restful API, Authentications, Data Loss Prevention, Data Security, Authorization (Computing), Cryptographic Protocols, JSON, Threat Management, Identity and Access Management, Threat Detection
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, Debugging, TypeScript, Agentic systems, AI Orchestration, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Maintainability, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cascading Style Sheets (CSS), Web Applications, HTML and CSS, Event-Driven Programming, Front-End Web Development, Web Design and Development, Hypertext Markup Language (HTML), Javascript, Application Design, Application Development, Data Validation, Web Design, UI Components
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: C# (Programming Language), Restful API, ASP.NET, Model View Controller, .NET Framework, Docker (Software), Azure DevOps, Object Oriented Programming (OOP), Azure DevOps Pipelines, Microservices, Containerization, JSON, Application Programming Interface (API), API Design, DevOps, Web Services, Middleware, CI/CD, Object Oriented Design, Application Frameworks
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months