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: Full-Stack Web Development, Responsive Web Design, UI Components, Data Validation, JavaScript Frameworks, Authentications, User Interface (UI), PostgreSQL, Web Applications, Database Development, React.js, Object-Relational Mapping, Development Environment, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), Data Persistence, JSON, Data Store, UI Components, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Database Development, Database Application, Databases, Debugging, Database Management, Application Development, Mobile Development, Real Time Data, Program Development, Application Programming Interface (API), Data Management
★ 5 (6) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Network Model, Marketing Analytics, Social Media Analytics, Statistical Methods, Text Mining, Data Structures, JSON, Data Visualization Software, Data Processing, Python Programming, Feature Engineering
★ 2.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Data Import/Export, Extensible Markup Language (XML), Data Processing, Scripting, Cascading Style Sheets (CSS), JSON, Data Capture, Data Pipelines, Software Installation, Application Programming Interface (API), MongoDB, Data Storage, Hypertext Markup Language (HTML), Package and Software Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, User Interface (UI), Application Frameworks, Application Programming Interface (API), Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Performance, Web Frameworks, Web Development Tools, React.js, Web Components, JavaScript Frameworks, Front-End Web Development, HTML and CSS, Web Development, Cascading Style Sheets (CSS), Microsoft Visual Studio
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: React Native, Mobile Development, Responsive Web Design, Cross Platform Development, Mobile Development Tools, UI Components, Application Development, React.js, JavaScript Frameworks, Data Persistence, Data Store, Data Storage Technologies, Context Management, Development Environment, Javascript, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Web Development, Leaflet (Software), React.js, UI Components, User Interface (UI), Application Deployment, Web Development Tools, Application Development, Web Design and Development, HTML and CSS, Cloud Deployment, JavaScript Frameworks, OAuth, User Interface (UI) Design, User Accounts, Frontend Integration, Front-End Web Development, Authentications, Development Environment
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 Months

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

Board Infinity
Skills you'll gain: Development Environment, Application Frameworks, Javascript, Web Applications, UI Components, Software Architecture, Data Store, Dataflow, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Unstructured Data, Marketing Analytics, Text Mining, Deep Learning, Model Evaluation, Machine Learning, JSON, Natural Language Processing, Machine Learning Algorithms, Data Preprocessing, Model Training, Python Programming
Intermediate · Course · 1 - 3 Months