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.

Universidad Austral
Skills you'll gain: Web Scraping, Data Integration, Data Processing, Data Preprocessing, Data Cleansing, Data Manipulation, Natural Language Processing, Jupyter, Pandas (Python Package), Hypertext Markup Language (HTML), JavaScript Frameworks, Data Collection
Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Scala Programming, Apache Hadoop, Big Data, Data Manipulation, Distributed Computing, Data Processing, Performance Tuning, SQL, Data Transformation, Network Performance Management, Data Persistence, Data Analysis, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vue.JS, JavaScript Frameworks, Hypertext Markup Language (HTML), Web Development Tools, Web Applications, Front-End Web Development, HTML and CSS, Javascript, Microsoft Visual Studio, Data Storage
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Anthropic Claude, Application Programming Interface (API), LLM Application, JSON, AI Integrations, Generative AI Agents, Agentic systems, Scripting, Token Optimization, Artificial Intelligence, Automation, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, JavaScript Frameworks, Javascript and jQuery, Javascript, Software Design Patterns, Code Reusability, Web Development, Application Development, Mobile Development
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Node.JS, Restful API, API Design, Server Side, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development, Integrated Development Environments
Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Retrieval-Augmented Generation, Prompt Engineering, Agentic Workflows, Tool Calling, Google Gemini, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, Vector Databases, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Angular, Model View Controller, Web Applications, JavaScript Frameworks, Data Validation, Application Frameworks, Javascript, Application Development, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: UI Components, React.js, Javascript, JavaScript Frameworks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Maintainability, Debugging, Style Guides, Software Documentation, Programming Principles, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, User Interface (UI), Bootstrap (Front-End Framework), User Interface (UI) Design, Development Environment, JavaScript Frameworks, Front-End Web Development, Debugging, Frontend Integration, Web Development Tools, Full-Stack Web Development, Animations, Test Tools, Unit Testing, FinTech, Application Development, Development Testing, Integrated Development Environments, Application Deployment, Other Programming Languages
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, API Design, Application Programming Interface (API), Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, JSON
Intermediate · Course · 1 - 4 Weeks