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.

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

Skills you'll gain: Visualforce, Salesforce Development, Salesforce, Application Development, Salesforce Object Query Language (SOQL), Restful API, Application Programming Interface (API), Web Services, Data Modeling, API Testing, Javascript, Data Access, SQL, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Design, Product Development, Product Management, Product Strategy, Health Systems, Stakeholder Analysis, New Product Development, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Clinical Practices, Process Validation, Verification And Validation, Stakeholder Communications, Artificial Intelligence, React.js, TypeScript, Javascript, React Redux, React Native, GraphQL
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microservices, Software Architecture, Systems Architecture, API Gateway, Node.JS, API Testing, Unit Testing, Development Testing, Test Case, Restful API, Debugging, Integration Testing, Software Testing, Scalability, Distributed Computing, Event-Driven Programming, Code Coverage, Application Deployment, Javascript, Performance Improvement
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Dataflow, Unit Testing, Data Pipelines, Test Script Development, Test Automation, Software Design Patterns, Code Reusability, Maintainability, Software Testing, Software Architecture, Middleware, Test Tools, Development Testing, System Testing, Test Engineering, Scalability, Microservices, Web Development, Javascript
Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: Node.JS, Server Side, Web Servers, Back-End Web Development, Package and Software Management, Web Applications, Code Reusability, Javascript, JSON, Web Development, Event-Driven Programming, Development Environment, Application Programming Interface (API), File Systems, Maintainability, Operating Systems, API Testing, Network Routing, File I/O, Object Oriented Design
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: ChatGPT, Gemini, AI Integrations, React.js, OpenAI, Generative AI, Frontend Integration, UI Components, Application Programming Interface (API), Restful API, User Interface (UI), Debugging, JavaScript Frameworks, Large Language Modeling, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Web Development, Javascript, Cascading Style Sheets (CSS)
Beginner · Course · 3 - 6 Months

Skills you'll gain: Node.JS, Server Side, Web Applications, Web Frameworks, Real Time Data, Live Streaming, Network Model, Frontend Integration, Data Sharing, Network Protocols, File I/O, Event-Driven Programming, Secure Coding, Frontend Performance, Browser Compatibility, Javascript, Memory Management, Dynamic Host Configuration Protocol (DHCP), Network Routers, Debugging
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: React.js, Web Development Tools, UI Components, Frontend Integration, JavaScript Frameworks, Event-Driven Programming, Development Environment, Front-End Web Development, Web Applications, Restful API, User Interface (UI), Code Reusability, Git (Version Control System), Debugging, HTML and CSS, Javascript, Application Programming Interface (API), Software Development, GitHub, Programming Principles
Beginner · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, User Interface (UI), HTML and CSS, Front-End Web Development, Web Development Tools, Web Design and Development, User Interface and User Experience (UI/UX) Design, Bootstrap (Front-End Framework), React.js, Web Development, Web Design, Javascript, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Hypertext Markup Language (HTML), Semantic Web
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Front-End Web Development, HTML and CSS, Web Language, Web Design and Development, Web Development, Web Development Tools, Web Content, Integrated Development Environments
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Containerization, Kubernetes, Cloud-Native Computing, Node.JS, Distributed Computing, Load Balancing, Scalability, Microservices, API Gateway, Redis, Cloud Deployment, Systems Architecture, Software Architecture, Web Applications, Event-Driven Programming, Javascript, Maintainability, Performance Tuning, OS Process Management, Development Testing
Advanced · Course · 1 - 4 Weeks