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), Dashboard Creation, Model View Controller, Authentications, Chart.js, Data Import/Export, Full-Stack Web Development, Web Development, Data Modeling, Object-Relational Mapping, Cascading Style Sheets (CSS), Responsive Web Design, Javascript, Code Reusability, User Interface (UI), Development Environment, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, React Redux, Frontend Performance, Full-Stack Web Development, Unit Testing, Front-End Web Development, Event-Driven Programming, Performance Tuning, Frontend Integration, Context Management, Javascript, Code Reusability, Web Frameworks, JavaScript Frameworks, Software Testing, Server Side, Web Applications, UI Components, Software Design Patterns, Cascading Style Sheets (CSS)
Intermediate · Specialization · 3 - 6 Months

NIIT
Skills you'll gain: React.js, Frontend Integration, Front-End Web Development, Systems Development Life Cycle, Application Lifecycle Management, Program Development, Application Development, JavaScript Frameworks, User Interface and User Experience (UI/UX) Design, UI Components, User Flows, Code Reusability, Test Case, Unit Testing, Data Validation, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, AI Integrations, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Web Development Tools, Relational Databases, Database Management, Server Side, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months

Skills you'll gain: Blockchain, Web Development Tools, Development Environment, FinTech, Software Development Tools, Transaction Processing, Web Development, Programming Principles, Program Development, Web Applications, Node.JS, Emerging Technologies, Scalability, Other Programming Languages, Javascript, Application Deployment, Computer Programming, Market Dynamics, Verification And Validation
Beginner · Course · 1 - 3 Months

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

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Application Frameworks, Responsive Web Design, React.js, Application Programming Interface (API), Angular, Web Development, Cascading Style Sheets (CSS), Javascript, Application Deployment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, JavaScript Frameworks, UI Components, Frontend Integration, Web Applications, Data Validation, Front-End Web Development, Verification And Validation, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

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: React.js, Front-End Web Development, Event-Driven Programming, Javascript, Context Management, Web Applications, UI Components, Cascading Style Sheets (CSS), Scalability
Beginner · Course · 1 - 3 Months

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, Core Data (Software), iOS Development, Secure Coding, Application Deployment, Scalability, Swift Programming, Apple software proficiency, Back-End Web Development, Performance Tuning, Frontend Performance, Application Security, Debugging, Knowledge of Apple Software, Build Tools, Application Performance Management, Application Programming Interface (API), Encryption, JSON
Intermediate · Course · 1 - 4 Weeks