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.

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), File I/O, JSON, Python Programming, Debugging, Object Oriented Design, Data Structures, Red Hat Enterprise Linux, Programming Principles, Statistical Programming, Web Development, Program Development, Scripting, Integrated Development Environments, Development Environment, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, iOS Development, Apple iOS, Android Development, Mobile Development Tools, UI Components, Cross Platform Development, React Redux, Application Development, React.js, Application Frameworks, Development Environment, Debugging, Context Management, Software Development, Data Persistence, Command-Line Interface, Data Validation
★ 4.9 (22) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Unified Modeling Language, JSON, Object Oriented Programming (OOP), File I/O, Software Design, Debugging, Object Oriented Design, Data Processing, Diagram Design, Unit Testing, Programming Principles, Python Programming, Data Import/Export, Data Wrangling, Restful API, Image Analysis, Software Visualization, Data Manipulation, Jupyter, Computer Programming
★ 4.8 (23K) · Beginner · Specialization · 3 - 6 Months

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, Web Applications, Application Programming Interface (API), Unit Testing, Server Side, Software Design Patterns, Back-End Web Development, Javascript, HTML and CSS, Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Frontend Integration, Back-End Web Development, User Interface (UI) Design, User Accounts, Server Side, Swift Programming, Object-Relational Mapping, Web Development Tools, JavaScript Frameworks, Secure Coding, Data Store, Application Programming Interface (API), API Design, iOS Development, UI Components, Authentications
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: MongoDB, Full-Stack Web Development, Frontend Integration, Node.JS, Web Design and Development, Web Development, Operational Databases, Web Applications, Front-End Web Development, JavaScript Frameworks, Server Side, Back-End Web Development, Data Store, Network Routing, Database Development, Hypertext Markup Language (HTML), Data Access, Development Environment, Middleware, User Interface (UI) Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, JSON, Object Oriented Programming (OOP), Extensible Markup Language (XML), Data Modeling, Data Collection, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Security, Firewall, Ansible, Network Performance Management, Network Infrastructure, Network Protocols, Security Controls, Event Monitoring, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data, JSON, Automation, Identity and Access Management, Restful API, Application Programming Interface (API)
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, API Gateway, API Design, Restful API, Application Programming Interface (API), Cloud API, Continuous Deployment, CI/CD, Authentications, Application Lifecycle Management, Security Controls, Proxy Servers, Authorization (Computing), Continuous Integration, Application Security, Middleware, Software Documentation, Network Security, Data Security, JSON
★ 4.7 (2.9K) · Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: JSON, Data Processing, Data Wrangling, Restful API, Data Manipulation, Data Access, Application Programming Interface (API), Python Programming, Data Transformation, Data Structures, Data Collection
★ 4.7 (4K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, JSON, Test Automation, Test Script Development, Application Programming Interface (API), Restful API, Software Testing, Test Tools, Integration Testing, Functional Testing
★ 4.6 (309) · Beginner · Guided Project · Less Than 2 Hours