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.

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), Code Reusability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API), Data Mapping
★ 4.7 (231) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Javascript, Programming Principles, Computational Logic, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JavaScript Frameworks, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Stored Procedure, Database Management, SQL, Transaction Processing, Databases, Database Development, JSON, Relational Databases, Query Languages, Advanced Analytics, Performance Tuning, Data Analysis
★ 4.7 (259) · Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Java Programming, Scalability, Cloud Development, Cloud Applications, Cloud API, Secure Coding, Cloud Services, Web Services, Cloud Computing, Cloud Computing Architecture, JSON, Cloud Deployment, Java Platform Enterprise Edition (J2EE), Data Security, Web Servers, Restful API
★ 4.3 (253) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Development Tools, Browser Compatibility, Front-End Web Development, Application Deployment, Web Design and Development, Web Development, Computer Programming Tools, Animations, Development Environment, Software Development Tools, UI Components, Javascript, Maintainability, User Interface (UI)
★ 4.6 (252) · Beginner · Specialization · 3 - 6 Months

University of New Mexico
Skills you'll gain: Middleware, Application Frameworks, Web Applications, Model View Controller, Web Frameworks, Version Control, Web Development Tools, Agile Software Development, Git (Version Control System), Software Engineering, Data Store, Web Design and Development, Web Development, Software Development, Agile Methodology, Database Development, User Interface (UI), Back-End Web Development, Ruby on Rails, Javascript
★ 4.3 (143) · Mixed · Course · 1 - 3 Months

Scrimba
Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Mobile Development, Web Applications, Web Design and Development, Program Development, ChatGPT, GitHub, Front-End Web Development, Javascript, Application Deployment, Responsive Web Design, Video Game Development, AI Integrations, Git (Version Control System), Cascading Style Sheets (CSS), Database Development, Computer Programming, Database Application, Machine Learning
★ 4.6 (148) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Unit Testing, Test Script Development, TypeScript, Angular, Test Case, Software Testing, JavaScript Frameworks, Web Development Tools, Testability, Development Testing, Code Coverage, Test Automation, Browser Compatibility, Test Tools, Integration Testing, Javascript, Node.JS, UI Components, Mockups
Intermediate · Specialization · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Web Services, Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
★ 4.5 (255) · Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Code Reusability, Data Preprocessing, Data Wrangling, Package and Software Management, Data Analysis, Data Processing, Data Integration, JSON, Object Oriented Programming (OOP), Data Science, Data Structures, Python Programming, Exploratory Data Analysis, Programming Principles, Data Import/Export, Data Storage, Computational Logic
★ 4.7 (191) · Beginner · Specialization · 3 - 6 Months

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