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: Terraform, CI/CD, Infrastructure as Code (IaC), Continuous Integration, Ansible, Application Performance Management, Prometheus (Software), Continuous Deployment, Kubernetes, Application Deployment, System Monitoring, Package and Software Management, GitHub, Software Development Tools, Docker (Software), Version Control, Containerization, YAML, Infrastructure As A Service (IaaS), Automation
Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Linux Administration, Containerization, Linux, Linux Commands, OS Process Management, Operating System Administration, File Systems, Operating Systems, Data Storage, Cloud Storage, System Software, Data Storage Technologies, Network Administration, Computer Networking, Performance Tuning, System Configuration, C (Programming Language), Systems Architecture, System Monitoring, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: GitHub, HTML and CSS, Git (Version Control System), Microsoft Copilot, Web Development, Web Content Accessibility Guidelines, Responsive Web Design, Javascript, Front-End Web Development, JSON, Semantic Web
Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Development, Web Design and Development, Web Applications, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles, JSON, Computational Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Integration Testing, Command-Line Interface, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Javascript, Web Design, Event-Driven Programming, Web Design and Development, Development Environment, Web Development, User Interface and User Experience (UI/UX) Design, Web Applications, Software Development Tools, Interactive Design, Animations, Typography, Color Theory, Web Analytics and SEO, Debugging, Data Validation
Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Linux Servers, User Accounts, Linux Administration, Lightweight Directory Access Protocols, Group Policy, Server Administration, Performance Tuning, Systems Administration, System Configuration, Identity and Access Management, Open Source Technology, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Javascript, Document Management, Scripting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Development, Web Design, Web Content Accessibility Guidelines, Computer Graphics, Front-End Web Development, Semantic Web, Usability, Javascript, Data Validation
Mixed · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Scripting, Web Development, Web Applications, Computer Programming, Front-End Web Development, HTML and CSS, Event-Driven Programming, Software Development, Object Oriented Programming (OOP), Git (Version Control System), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, Linux Administration, Linux, TCP/IP, Network Administration, Servers, Network Protocols, System Configuration
Intermediate · Course · 1 - 4 Weeks