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: Relational Databases, Databases, Data Visualization Software, Web Scraping, Data Science, Scatter Plots, Data Manipulation, SQL, Data Processing, JSON, Application Programming Interface (API), Data Import/Export, Python Programming, Extensible Markup Language (XML), Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Frontend Performance, React.js, Web Development Tools, TypeScript, Front-End Web Development, JavaScript Frameworks, Build Tools, Development Environment, Application Deployment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Angular, Responsive Web Design, HTML and CSS, Web Design and Development, JavaScript Frameworks, Web Applications, Web Components
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Visualization Software, Data Visualization, Interactive Data Visualization, Histogram, Data Transformation, Data Processing, Apache Kafka, JSON, MySQL, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Programming Principles, Scripting, Scripting Languages, Data Structures, Development Environment, Microsoft Visual Studio, Integrated Development Environments, Computer Programming, Software Installation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Software Development, Data Structures, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Ansible, Infrastructure as Code (IaC), JSON, Kubernetes, Cloud-Native Computing, DevOps, Microsoft Visual Studio, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Back-End Web Development, User Accounts, Server Side, Swift Programming, JavaScript Frameworks, Secure Coding, Web Development Tools, Application Programming Interface (API), API Design, Authentications, Mobile Development, Database Software, MongoDB, Web Development, Development Environment, API Gateway
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, Generative AI, Content Strategy, AI Enablement, Semantic Web, Workforce Development, Content Performance Analysis, Digital Marketing, Content Creation, Digital Content, Social Media, JSON
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Lifecycle Management, Power Apps Component Framework, Microsoft Power Platform, Integration Testing, Microsoft Power Automate/Flow, Azure DevOps, Power Platform CLI, Application Development, DevOps, Application Deployment, Database Design, Development Environment, Microsoft Azure, Usability Testing, Development Testing, User Interface and User Experience (UI/UX) Design, Postman API Platform, Data Modeling, Microsoft Copilot, Power BI
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Restful API, Software Design, JSON, Software Testing
Intermediate · Course · 3 - 6 Months