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: Scalability, Node.JS, Distributed Computing, Load Balancing, Performance Tuning, Systems Architecture, Redis, Application Performance Management, Microservices, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Geographic Information Systems, Package and Software Management, Scripting, Statistical Analysis, Probability & Statistics, JSON, Image Analysis, Data Validation, Web Scraping, Intelligence Collection and Analysis, Data Analysis, Statistics, Python Programming, Data Processing, Restful API, File Transfer Protocol (FTP), Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Postman API Platform, Restful API, MongoDB, Data Modeling, JSON, Server Side, API Design, Back-End Web Development, Data Access, Docker (Software), Go (Programming Language), API Testing, Databases, Development Environment
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Frontend Performance, Application Deployment, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning, Node.JS, Web Applications, Web Development Tools, Application Performance Management, Server Side, Enterprise Architecture, Web Analytics and SEO, Maintainability, Debugging
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Serverless Computing, API Gateway, Image Analysis, Amazon CloudWatch, Extensible Markup Language (XML), JSON, Computer Vision, Cloud Deployment, API Design, Amazon Web Services, Event-Driven Programming, Amazon S3, Microservices, Cloud Development, AWS CloudFormation, Application Programming Interface (API), AI Enablement, Cloud Applications, Authentications, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apple iOS, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, IT Security Architecture, Application Security, Data Validation, Vulnerability Assessments, Cryptography, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Web Applications, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, System Configuration, Cloud Applications, Data Pipelines, Automation
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Web Services, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Cloud Applications, Google Cloud Platform, Flask (Web Framework), Distributed Computing, Containerization, Software Architecture, Docker (Software), Virtualization, Restful API, JSON, Microservices, Scalability, Extensible Markup Language (XML), API Design, Computer Architecture
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Version Control, Web Development, Cloud Deployment, OAuth, Web Development Tools, Database Management, Bootstrap (Front-End Framework), Restful API, Web Services, Spring Framework, TypeScript, Software Development, Application Development, Web Servers, NoSQL
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Digital Marketing, Search Engine Optimization, Keyword Research, ChatGPT, Content Development and Management, Web Content, Content Performance Analysis, Technical Writing, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Data Modeling, User Interface (UI), jQuery, Microsoft SQL Servers, Microsoft Visual Studio, Application Development, User Interface and User Experience (UI/UX) Design, Data Validation, Application Design, Database Application, Business Reporting, Data Management, SQL, .NET Framework, Data Structures, Javascript and jQuery, Programming Principles, Web Development, Maintainability
Beginner · Specialization · 1 - 3 Months