"The Document Object Model (DOM) is the data representation of the objects that comprise the structure and content of a document on the web." - Mozilla
"When an HTML document is loaded into a web browser, it becomes a document object." - W3Schools
Mozilla Guides:
W3Schools Guides:
- The Document Object
- DOM Element Objects
- Accessing and Manipulating the DOM
- The Window Object - W3Schools
Read more about the window object, including intervals, time-outs, and alerts.
Read more about the document object, including element selection, and event listeners.