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.

University of Michigan
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering, Generative AI, Applied Machine Learning, Python Programming, Open Source Technology, JSON
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Test Tools, Selenium (Software), Test Driven Development (TDD), API Testing, Unit Testing, Performance Testing, Functional Testing, Test Automation, Web Development Tools, Usability Testing, User Interface (UI), Test Case, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Scalability, Authentications, JSON, Authorization (Computing), Web Development Tools, Web Applications, Web Development, Server Side, Back-End Web Development, Application Frameworks, Javascript, Restful API, Development Environment, Operating Systems, Email Automation, Microsoft Visual Studio
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Data Structures, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Jordan University of Science and Technology
Skills you'll gain: Object Oriented Programming (OOP), C# (Programming Language), Software Engineering, Data Structures, Software Development, Computer Programming, Programming Principles, Java, Debugging, Query Languages
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Markup Language (XML), Network Protocols, YAML, Automation, Network Engineering, Python Programming
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, YAML, Network Architecture, Network Administration, Infrastructure as Code (IaC), General Networking, Automation, Technical Documentation, Configuration Management, JSON, Python Programming
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Databases, Performance Tuning, Maintainability, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Web Applications, Back-End Web Development, Expense Management, Application Development, Database Application, Data Visualization, Business Process Automation, Chart.js, Python Programming, Data Modeling, Data Security, GitHub, Javascript, Git (Version Control System)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Application Programming Interface (API), Object-Relational Mapping, JavaScript Frameworks, Integrated Development Environments, Front-End Web Development, YAML, Web Applications, Web Development Tools, Back-End Web Development, Data Access, User Interface (UI), MongoDB, UI Components, Application Frameworks, Databases
Intermediate · Specialization · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, JSON, Restful API, Application Programming Interface (API), Google Cloud Platform, Authentications, Network Protocols
Beginner · Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Model Context Protocol, Anthropic Claude, AI Workflows, Tool Calling, Program Development, Systems Architecture, Servers, Debugging, JSON, Development Environment, Document Management
Beginner · Course · 1 - 4 Weeks