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.

Skills you'll gain: Apache Kafka, Spring Boot, Real Time Data, Java, Unit Testing, Restful API, JSON, Integration Testing, Data Transformation, Scalability, Debugging
Intermediate · Course · 3 - 6 Months

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, UI Components, Maintainability, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Node.JS, Web Frameworks, Restful API, Web Development, Web Applications, Server Side, File Systems, Javascript, Web Development Tools, Web Servers, Databases, Authentications, Middleware, Cryptography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization Software, Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R Programming, Scatter Plots, Data Collection, Data Analysis, Data Manipulation, Data Import/Export, Regression Analysis, Data Preprocessing, Software Installation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), Cyber Security Assessment, Exploitation techniques, Server Side, Application Security, Artificial Intelligence and Machine Learning (AI/ML), Vulnerability Scanning, Secure Coding, Artificial Intelligence, Responsible AI, Data Security, Cyber Attacks, Security Awareness, Generative AI, Large Language Modeling, Data Ethics, Authentications
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Bootstrap (Front-End Framework), UI Components, Javascript and jQuery, Front-End Web Development, Usability, Web Development, Browser Compatibility, User Interface (UI), Interactive Design, Javascript, Creative Design, Web Design and Development, Typography, Web Analytics and SEO, Wireframing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: TypeScript, React.js, Javascript, Debugging, Integrated Development Environments, Context Management
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Applications, Application Development, Web Development, JavaScript Frameworks, OAuth, UI Components, Front-End Web Development, Authentications, React.js, Development Environment, Software Installation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Software Development, Data Structures, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Angular, Responsive Web Design, HTML and CSS, Web Design and Development, JavaScript Frameworks, Web Applications, Web Components
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Analytics, Return On Investment, Google Ads, Marketing Strategies, MarTech, Content Management Systems, WordPress, Facebook, Software Installation, Data Collection
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Authentications, Test Automation, Test Script Development, Test Case, Java, JSON
Mixed · Course · 1 - 4 Weeks