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.

Tecnológico de Monterrey
Skills you'll gain: Computational Thinking, HTML and CSS, Hypertext Markup Language (HTML), Web Design and Development, Javascript, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Programming Principles, Web Applications, Interactive Design, Web Development, Program Development, Web Content, digital literacy, Semantic Web, Computer Science, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Usability, Hypertext Markup Language (HTML), Front-End Web Development, User Experience Design, Browser Compatibility, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Semantic Web, Web Design and Development, Javascript, Web Design, Debugging, Web Applications, Extensible Languages and XML, Development Testing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Order Management, Order Management Systems, Responsive Web Design, UI Components, Order Processing, Web Design and Development, Web Applications, JavaScript Frameworks, React.js, Payment Processing, Authentications, Data Validation, Dashboard, Dashboard Creation, Payment Systems, Database Development, Data Integrity, User Accounts, Object-Relational Mapping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, UI Components, User Interface (UI), JavaScript Frameworks, Web Applications, User Accounts, Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Event-Driven Programming, Authorization (Computing), Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Frontend Integration, Authentications, Front-End Web Development, Authorization (Computing), Application Programming Interface (API), Secure Coding, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Ajax, Angular, Web Components, JavaScript Frameworks, Web Applications, Javascript, Model View Controller, Event-Driven Programming, Application Frameworks, UI Components, HTML and CSS, Code Reusability, User Interface (UI), Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Front-End Web Development, UI Components, Frontend Performance, Web Design and Development, HTML and CSS, Responsive Web Design, User Interface (UI), Web Applications, JavaScript Frameworks, Cascading Style Sheets (CSS), User Interface (UI) Design, TypeScript, Scalability, Dashboard Creation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Data Validation, SQL, Extract, Transform, Load, Data Transformation, JSON, Data Processing, Data Warehousing, Data Integration, Data Integrity, Performance Testing, Performance Tuning, Data Quality, Verification And Validation, Dashboard, Scripting, Systems Integration, Dimensionality Reduction
Advanced · Course · 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: Scalability, Node.JS, Distributed Computing, Performance Tuning, Software Architecture, Systems Architecture, OS Process Management, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

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, Performance Tuning, Application Security, Debugging, Knowledge of Apple Software, Application Programming Interface (API), Performance Testing, Encryption, JSON, Memory Management
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