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.

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Matplotlib, Research, Data Ethics, Data Processing, Data Collection, Seaborn, Text Mining, Data Science, Data Visualization Software, Pandas (Python Package), JSON, Application Programming Interface (API), Data Analysis, Python Programming, Natural Language Processing
Build toward a degree
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Web Content Accessibility Guidelines, Game Design, Front-End Web Development, Application Programming Interface (API), User Interface (UI), Web Components, Usability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Cloud Deployment, Web Development, Responsive Web Design, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Web Development Tools, Software Development Tools, Application Deployment, Cloud Storage, Web Applications, JavaScript Frameworks, Development Testing, Application Development, Transaction Processing, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, JSON, Java, Docker (Software), Software Versioning
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Routing Protocols, Javascript, Database Design, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, Debugging, Business Process Automation, Automation, AWS Identity and Access Management (IAM), Serverless Computing, Amazon DynamoDB, API Gateway, JSON, User Accounts
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vue.JS, User Interface (UI), User Interface and User Experience (UI/UX) Design, JavaScript Frameworks, Front-End Web Development, Authentications, Web Applications, Web Development Tools, Real Time Data, Responsive Web Design, Javascript, Data Management
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Web Servers, Server Side, Full-Stack Web Development, Back-End Web Development, Network Protocols, Debugging, Javascript, Web Applications, Cryptography, TCP/IP, Real Time Data, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: React.js, Application Deployment, JavaScript Frameworks, Software Architecture, Application Development, Responsive Web Design, Cascading Style Sheets (CSS), UI Components, Restful API, User Interface and User Experience (UI/UX) Design, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Authentications, UI Components, Full-Stack Web Development, Authorization (Computing), File Management, React.js, Application Deployment, Development Environment, JavaScript Frameworks, Web Applications, Amazon Web Services, User Interface (UI), Software Development Tools, Content Management, Data Modeling
Intermediate · Course · 3 - 6 Months