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.
Skills you'll gain: Jest (JavaScript Testing Framework), User Acceptance Testing (UAT), Cucumber (Software), Postman API Platform, Software Testing, Behavior-Driven Development, Selenium (Software), Test Driven Development (TDD), Performance Stress Testing, API Testing, Unit Testing, Performance Testing, Application Programming Interface (API), User Interface (UI), Javascript
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, Frontend Integration, Software Development Tools, Program Development, Integrated Development Environments, Application Deployment, Transaction Processing, Application Design, Front-End Web Development, Event-Driven Programming, Development Testing, Javascript, Network Architecture
★ 5 (50) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Data Lakes, Data Pipelines, Data Integration, JSON, Dashboard, SQL, Data Manipulation, Apache Spark, Dashboard Creation, Big Data, Data Management, Data Transformation, Data Architecture, Version Control
★ 4.1 (32) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Docker (Software), Containerization, Application Deployment, Command-Line Interface, Development Environment, Nginx, Software Installation, Node.JS, Virtual Machines, React.js
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Database Application, Data Store, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Storage, Data Preprocessing
★ 4.7 (54) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (22) · Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: TypeScript, Javascript, React.js, Debugging, Integrated Development Environments
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Development Tools, Web Content Accessibility Guidelines, HTML and CSS, Web Design and Development, Web Design, Web Development, Front-End Web Development, Semantic Web, Cascading Style Sheets (CSS), Web Presence, Web Servers, File Transfer Protocol (FTP)
★ 4.9 (26) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, OAuth, API Design, Application Programming Interface (API), Node.JS, Software Documentation, JavaScript Frameworks, Frontend Integration, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Back-End Web Development, Authorization (Computing)
★ 3.9 (24) · Mixed · 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 Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, OpenAI, AI Integrations, Prompt Engineering, JSON, Application Programming Interface (API), Web Applications, Generative AI
★ 4.2 (21) · Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Web Content Accessibility Guidelines, User Interface (UI), Usability, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Front-End Web Development, UI Components, HTML and CSS, Semantic Web, Cascading Style Sheets (CSS), Javascript
★ 4.7 (36) · Intermediate · Guided Project · Less Than 2 Hours