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.

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

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Email Automation, Google Sheets, Scripting, Google Workspace, Scripting Languages, Spreadsheet Software, Productivity Software, Automation, Hypertext Markup Language (HTML), Data Access, HTML and CSS, Javascript, Supplier Relationship Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Unit Testing, Code Review, Software Development Tools, Test Automation, Test Script Development, Software Documentation, Maintainability, Application Development, Generative AI, AI Integrations, Software Development, Computer Programming Tools, Software Technical Review, Jest (JavaScript Testing Framework), Javascript, ChatGPT, GitHub
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, Exploratory Data Analysis, SQL, Data Modeling, Database Design, Database Administration, Database Systems, Database Architecture and Administration, Database Management, Database Management Systems, Data Store, JSON, Data Integration, Relational Databases, Data Architecture, Advanced Analytics, Analytics, Data Analysis, Business Intelligence, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Merchandising, E-Commerce, Web Applications, Scalability, Business Technologies, Technology Solutions, Application Frameworks, Application Development, Systems Integration, Javascript
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Maintainability, Web Development Tools, Development Testing, JavaScript Frameworks, Development Environment, Web Applications, Event-Driven Programming, Software Installation, Object Oriented Programming (OOP), Configuration Management, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TypeScript, Javascript, React.js, Application Development, Web Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Pipelines, Data Validation, SQL, Extract, Transform, Load, Data Transformation, JSON, Data Processing, Data Warehousing, Data Integration, Performance Testing, Performance Tuning, Data Quality, Verification And Validation, Dashboard, Scripting, Systems Integration, Dimensionality Reduction
Advanced · Course · 3 - 6 Months

Skills you'll gain: Restful API, Application Programming Interface (API), Authentications, Test Automation, JSON, Security Testing, Authorization (Computing), Java Programming, Scenario Testing, Java, Test Tools, Back-End Web Development
★ 5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Application Programming Interface (API), Ajax, Web Development, General Networking, Web Applications, Scalability, Event-Driven Programming, Real Time Data, Network Analysis
Intermediate · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Design and Product, Model View Controller, Debugging, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI), UI Components, Web Applications, Algorithms, Web Design and Development, JSON, Program Development, User Story, Javascript, Automation, Hypertext Markup Language (HTML), Data Structures
Beginner · Course · 1 - 4 Weeks