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: Selenium (Software), Java, Java Programming, File I/O, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Test Script Development, Web Scraping, Apache, Web Development Tools, Data Import/Export, Verification And Validation, HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Brand Marketing, Digital Brand Strategy, Branding, Marketing Design, Digital Marketing Campaigns, Style Guides, Compliance Management, Digital Marketing, Operational Excellence, Marketing Materials, Graphic Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C and C++, Object Oriented Programming (OOP), C++ (Programming Language), Data Validation, Data Integrity, Computer Programming, Computer Science
★ 4.8 (233) · Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Digital Transformation, Data Sharing, Manufacturing Operations, Business Transformation, Data Storage Technologies, Document Management, Product Lifecycle Management, Data Storage, Process Management, Data Strategy, Interoperability, Goal Setting, Knowledge Transfer
★ 4.6 (820) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Test Tools, Application Design, Test Case, Software Documentation, Code Reusability, Technical Documentation, Package and Software Management
Advanced · Course · 3 - 6 Months

Skills you'll gain: Web Content, AI Workflows, Design Elements And Principles, Web Presence, Web Development Tools, Generative AI, AI Integrations
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Ajax, Web Design, Web Design and Development, Java Platform Enterprise Edition (J2EE), HTML and CSS, jQuery, Cascading Style Sheets (CSS), Web Applications, Responsive Web Design, Scripting Languages, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Hibernate (Java), Application Frameworks
★ 4.3 (12) · Intermediate · Course · 1 - 3 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: Javascript, Code Reusability, Computational Logic, Programming Principles, Data Import/Export, Web Development
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Vue.JS, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, JavaScript Frameworks, Application Development, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Components, Javascript, Data Persistence
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Back-End Web Development, Relational Databases, Object Oriented Programming (OOP), Database Management Systems, Bootstrap (Front-End Framework), Database Management, Code Reusability, Database Theory, SQL, Database Design, Front-End Web Development, Unit Testing, MySQL, Computer Programming, Pseudocode, Communication
★ 4.7 (18K) · Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Extensible Markup Language (XML), HTML and CSS, Interactive Design, UI Components, Web Design and Development, Usability, Web Language, Web Design, Extensible Languages and XML
★ 4.9 (17) · Mixed · Course · 1 - 4 Weeks