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.

Scrimba
Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Theoretical Computer Science, Software Development, Programming Principles, Computer Programming, Problem Solving, Software Engineering, Data Structures, Computer Science, Javascript, Web Development, Machine Learning Methods, Data Science
Intermediate · Specialization · 1 - 4 Weeks

Coursera
Skills you'll gain: Javascript, Web Development, Web Development Tools, Scripting, Hypertext Markup Language (HTML), Programming Principles
★ 4.5 (110) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, Hypertext Markup Language (HTML), Web Development Tools, Web Design and Development, Web Development, Cascading Style Sheets (CSS), Web Design, Front-End Web Development, Web Frameworks, Javascript, Web Applications, Interactive Design, JavaScript Frameworks, Full-Stack Web Development, Back-End Web Development
★ 4.6 (2.4K) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Application Security, Secure Coding, Serverless Computing, Cryptography, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Exploitation techniques, Package and Software Management, Node.JS, Web Applications, Javascript, Vulnerability Management, Cloud Services, Cloud Platforms, Web Development, Identity and Access Management, Dependency Analysis
★ 4.5 (114) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, HTML and CSS, Web Design and Development, Javascript, Web Presence, Front-End Web Development, Web Content, Responsive Web Design, Web Design
★ 4.3 (145) · Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: UI Components, User Interface (UI), Computational Thinking, HTML and CSS, Web Design and Development, Interactive Design, Hypertext Markup Language (HTML), Web Development, Programming Principles, Web Design, Javascript, Event-Driven Programming, Computer Programming, Algorithms, Image Analysis, Web Applications, Cascading Style Sheets (CSS)
★ 4.6 (15K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, JavaScript Frameworks, Web Development
★ 4.3 (18) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Database Design, SQL, MySQL, HTML and CSS, PHP (Scripting Language), Relational Databases, JSON, Database Management, jQuery, Hypertext Markup Language (HTML), Javascript and jQuery, Ajax, Databases, Data Modeling, Database Application, Database Development, Debugging, Web Applications, Query Languages, Javascript
★ 4.7 (9.3K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Javascript, Back-End Web Development, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Scripting, Event-Driven Programming, JavaScript Frameworks, Web Applications, Mobile Development, HTML and CSS, Web Development, Scripting Languages, Event Monitoring, Code Reusability
★ 4.3 (290) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Web Design and Development, Cloud API, Hypertext Markup Language (HTML), Web Development, Application Programming Interface (API), Cascading Style Sheets (CSS), Web Applications, Real Time Data, Javascript
★ 4.3 (46) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Javascript, Software Design, Maintainability, Application Development, Event-Driven Programming, Context Management
Advanced · Course · 1 - 3 Months