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: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Application Lifecycle Management, Mobile Development, UI Components, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Web Services, Programming Principles, JSON, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Data Persistence, Scripting, Scripting Languages, Data Storage, Web Development, Functional Design, Data Structures, Business Logic, Game Design, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Programming Interface (API), Test Execution Engine, Interactive Data Visualization, Web Applications, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React Native, React.js, Application Development, Scalability, Data Validation, UI Components, Web Applications, Mobile Development, Data Persistence, Business Logic, Application Design, Front-End Web Development, Software Design, Authentications, User Interface (UI), User Experience Design, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Node.JS
Beginner · Specialization · 3 - 6 Months

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

Skills you'll gain: Go (Programming Language), Web Servers, JSON, Restful API, User Interface (UI), Web Applications, Server Side, Web Development, Full-Stack Web Development, Debugging, API Design, Scalability, Data Structures, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Preprocessing, Data Wrangling, Data Cleansing, Data Transformation, Data Manipulation, JSON, Pandas (Python Package), Data Quality, Extract, Transform, Load, Data Mapping, Scripting, Data Validation, Data Maintenance, Data Pipelines, Time Series Analysis and Forecasting, Data Integrity, Anomaly Detection, Reconciliation
Intermediate · Course · 1 - 4 Weeks

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

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