DOM courses can help you learn how browsers interpret and structure web pages through the Document Object Model. You can build skills in selecting and modifying elements, handling events, and updating content dynamically. Many courses introduce tools such as JavaScript, browser dev tools, and debugging methods that support creating interactive and responsive web experiences.

Skills you'll gain: Web Analytics, Web Analytics and SEO, Marketing Analytics, Analytics, Technical Documentation, Data-Driven Marketing, Performance Analysis, Technical Communication, Performance Metric, Data Literacy, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

London Business School
Skills you'll gain: Digital Transformation, Business Transformation, Culture Transformation, Organizational Change, Technology Strategies, Change Management, Innovation, Business Strategy, Business Strategies, Enterprise Architecture, New Business Development, Emerging Technologies, Business Technologies, digital literacy, Business Modeling, Operational Efficiency
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Development Environment, Integrated Development Environments, Software Installation
Beginner · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Javascript, Semantic Web, Web Content Accessibility Guidelines, Browser Compatibility, Development Environment, Web Content, GitHub, Web Analytics and SEO, Software Installation, Application Deployment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Security, File Management, Control Panels, Web Analytics and SEO, MySQL, Apache, User Provisioning, Cloud Hosting, Public Key Infrastructure, User Accounts, Security Controls, Data Security, Key Management, Encryption, Database Management, Web Servers, Email Automation, Systems Administration, System Configuration, Content Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: TypeScript, Object Oriented Design, Node.JS, Role-Based Access Control (RBAC), Object Oriented Programming (OOP), Webpack, React Redux, Back-End Web Development, React.js, Full-Stack Web Development, Web Development, MongoDB, Front-End Web Development, Javascript, Application Programming Interface (API), Software Design Patterns, API Design, Programming Principles, Software Development, Debugging
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), Code Reusability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Cascading Style Sheets (CSS), Data Mapping
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Java Programming, Object Oriented Programming (OOP), Issue Tracking, Build Tools, Test Automation, Behavior-Driven Development, Test Script Development, Test Case, Software Testing, Data Structures, Package and Software Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Computer Programming, Code Reusability, Software Documentation, Computer Science, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Internet Of Things, Control Systems, Cybersecurity, Firewall, Cyber Security Strategy, Interoperability, Network Security, Dataflow, IT Security Architecture, Process Control, Network Protocols, Enterprise Resource Planning, Systems Integration, Automation, Data Flow Diagrams (DFDs), Cloud-Based Integration, Software Systems, Security Management, Data Integration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Search Engine Optimization, jQuery, Keyword Research, Application Deployment, Content Optimization, Program Development, Object Oriented Programming (OOP), Web Servers, Data Validation
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Javascript and jQuery, jQuery, Responsive Web Design, Web Development, Version Control, Web Design, Cascading Style Sheets (CSS), Web Design and Development, Hypertext Markup Language (HTML), HTML and CSS, Web Frameworks, GitHub, Web Applications, Javascript, Web Development Tools, Git (Version Control System), Infrastructure Architecture, Network Architecture, Network Infrastructure, Browser Compatibility
Build toward a degree
Beginner · Course · 1 - 3 Months