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: Apache Hive, Big Data, JSON, Case Studies, Apache Hadoop, People Analytics, Policty Analysis, Research, and Development, Analytics, Data Analysis, Social Sciences, Data-Driven Decision-Making, Data Processing, Business Analytics, Data Manipulation, Data Transformation, Query Languages
Mixed · 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, Geospatial Mapping, Data Import/Export, JSON, Dashboard, Data Visualization Software, Jupyter, Web Applications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Extensible Markup Language (XML), Databases, JSON, Data Processing, Data Warehousing, Distributed Computing, Data Analysis, Scalability, Case Studies, Analytics, Data Pipelines, Extract, Transform, Load, Query Languages, Social Media, Data Cleansing, Data Integration
Intermediate · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Matplotlib, Research, Data Ethics, Data Collection, Seaborn, Data Science, Data Literacy, Data Visualization Software, Histogram, JSON, Data Manipulation, Data Analysis, Python Programming, Natural Language Processing, Data Structures, Programming Principles
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Return On Investment, Google Ads, Marketing Strategies, MarTech, Content Management Systems, WordPress, Facebook, Software Installation
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Data Validation, Restful API, Application Frameworks, Performance Tuning, Software Versioning, Django (Web Framework), Software Documentation, Middleware, Node.JS, Application Performance Management, Scalability, JSON, Spring Boot, Test Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI) Design, Web Applications, User Interface (UI), UI/UX Strategy, User Experience Design, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Package and Software Management, Web Scraping, Application Programming Interface (API), File Management, Python Programming, Authentications, Scripting, Data Processing, Performance Testing, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), JSON, Python Programming, Debugging, Data Structures, Red Hat Enterprise Linux, Programming Principles, Scripting, Integrated Development Environments, Development Environment, Text Mining, File Management, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: iOS Development, Swift Programming, Apple iOS, Mobile Development, User Interface (UI), Apple Xcode, Restful API, User Interface and User Experience (UI/UX) Design, Application Development, Development Environment, Application Programming Interface (API), UI Components, Real Time Data, JSON
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Web Design, WordPress, Web Language, HTML and CSS, Web Content, Web Development, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management, Web Applications
Mixed · Course · 1 - 4 Weeks