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.

Packt
Skills you'll gain: Django (Web Framework), Restful API, AI Personalization, Payment Processing, Product Assortment, Credit/Debit Card Processing, Merchant Services, Content Management Systems, Blogs, API Design, Application Deployment, Order Management, Merchandise Maintenance, User Accounts, Data Sharing, Web Applications, Web Frameworks, Python Programming, Ajax, Javascript
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Plot (Graphics), Interactive Data Visualization, Data Visualization, Geospatial Mapping, JSON, Dashboard, Data Visualization Software, Numerical Analysis, Web Applications, File I/O
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Development Tools, File Management, Application Deployment, React.js
Intermediate · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Chart.js, Responsive Web Design, Bootstrap (Front-End Framework), UI Components, Dashboard, Dashboard Creation, HTML and CSS, Data Visualization, Cascading Style Sheets (CSS), Web Design and Development, Web Design, Web Applications, User Interface (UI), User Interface (UI) Design, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Integration, Web Development Tools, Authorization (Computing), Event-Driven Programming, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: UI Components, .NET Framework, ASP.NET, C# (Programming Language), Web Components, Web Frameworks, Code Reusability, Frontend Integration, Application Frameworks, Web Applications, User Interface (UI), Javascript, Event-Driven Programming, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Server Side, React Redux, Full-Stack Web Development, MySQL, React.js, Frontend Integration, Application Deployment, Back-End Web Development, Node.JS, Database Management, Web Applications, Front-End Web Development, Continuous Deployment, Application Development, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Frontend Performance, CI/CD, E-Commerce, Restful API
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Customer Insights, Statistical Analysis, Data Manipulation, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, iOS Development, Apple iOS, Swift Programming, Data Persistence, JSON, Application Deployment, Mobile Development, User Interface (UI), Web Services, UI Components, Application Development, User Interface (UI) Design, Programming Principles, Application Programming Interface (API), Application Design, Data Structures
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Core Data (Software), Secure Coding, Application Deployment, Scalability, Swift Programming, Apple software proficiency, Back-End Web Development, Performance Tuning, Application Security, Debugging, Knowledge of Apple Software, Build Tools, Application Performance Management, Application Programming Interface (API), Encryption, JSON, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Components, TypeScript, UI Components, Javascript, Maintainability, Web Development Tools, Web Applications, Front-End Web Development, Code Reusability, Cascading Style Sheets (CSS), Event-Driven Programming, Object Oriented Programming (OOP), Scalability
Beginner · Course · 1 - 4 Weeks