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.

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Application Deployment, Continuous Integration, Rust (Programming Language), Prometheus (Software), Continuous Delivery, System Monitoring, JSON, Scripting, Command-Line Interface, Continuous Monitoring, Automation, System Programming, Software Testing, GitHub
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Angular, TypeScript, JavaScript Frameworks, UI Components, Bootstrap (Front-End Framework), Application Frameworks, Code Reusability, Web Development Tools, Web Applications, Front-End Web Development, Software Architecture, Application Development, Command-Line Interface, Development Environment, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Gemini, Gemini, Application Deployment, Responsible AI, Software Development Tools, Google Cloud Platform, Generative AI, AI literacy, AI Integrations, Debugging, Application Development, Cloud-Based Integration
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles, Object Oriented Design
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Prompt Engineering, OpenAI API, Token Optimization, LangChain, ChatGPT, Multimodal Prompts, OpenAI, Prompt Patterns, Generative AI, No-Code Development, LLM Application, AI powered creativity, Generative Model Architectures, Microsoft Power Platform, Application Programming Interface (API), Large Language Modeling, AI Workflows, Email Automation, Application Development, JSON
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Frontend Integration, Back-End Web Development, Front-End Web Development, UI Components, Web Applications, Application Programming Interface (API), JavaScript Frameworks, Authentications, Server Side, User Interface (UI), User Accounts, Development Environment
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Frontend Integration, React.js, Full-Stack Web Development, JavaScript Frameworks, Restful API, Front-End Web Development, Back-End Web Development, Spring Boot, Web Applications, User Interface (UI), User Interface (UI) Design, Data Persistence
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C++ (Programming Language), C (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Programming Principles, Software Design, Python Programming, Java, Algorithms, Performance Tuning
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Unstructured Data, LLM Application, Large Language Modeling, Data Preprocessing, Metadata Management, Data Processing, JSON, Image Analysis, Data Transformation, Document Management, Vision Transformer (ViT)
Beginner · Project · Less Than 2 Hours