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: JavaScript Frameworks, Restful API, Application Programming Interface (API), Web Development, React.js, Authentications, OAuth, Web Applications, Server Side, Back-End Web Development, Object-Relational Mapping, UI Components, Cloud Hosting, Image Quality, Secure Coding, Application Deployment
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Power Platform Architecture & Technical Design, No-Code Development, Email Automation, Data Modeling
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, HTML and CSS, Web Content Accessibility Guidelines, User Interface (UI), Hypertext Markup Language (HTML), Front-End Web Development, User Interface and User Experience (UI/UX) Design, Javascript, Web Development, User Interface (UI) Design, Usability, Web Applications, JavaScript Frameworks, Semantic Web, Event-Driven Programming, Data Validation, Animations
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Salesforce Development, Salesforce, Systems Integration, Data Integration, Web Services, Application Programming Interface (API), Software Design Patterns, Software Design, Enterprise Architecture, Restful API, Complex Problem Solving, Business Solutions
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Application Deployment, Continuous Deployment, Continuous Delivery, Release Management, React.js, Vue.JS, User Accounts
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Cloud Development, Application Deployment, Microsoft Azure, JSON, Cloud Applications, Serverless Computing, Application Programming Interface (API), Cloud Computing, C# (Programming Language), Restful API, Web Services, Cloud Storage
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design, Web Design and Development, Front-End Web Development, Web Content Accessibility Guidelines, Bootstrap (Front-End Framework), User Interface (UI) Design, User Interface (UI), Frontend Performance, Cascading Style Sheets (CSS), Usability, Hypertext Markup Language (HTML), Performance Tuning, Typography
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Front-End Web Development, Bootstrap (Front-End Framework), Web Design and Development, jQuery, Web Design, Web Development, Javascript and jQuery, Hypertext Markup Language (HTML), Web Applications, UI Components, User Interface (UI), Animations, Javascript, Event-Driven Programming
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Professional Development, Web Presence, Web Development, Javascript, GitHub, Data Structures, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Plot (Graphics), Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Visualization (Computer Graphics), Javascript, Data Analysis, Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours