Web API & Element & DOM
Element
https://developer.mozilla.org/en-US/docs/Web/API/Element
HTMLElement
https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement
SVGElement
https://developer.mozilla.org/en-US/docs/Web/API/SVGElement
Document Object Model (DOM)
https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model
https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Introduction
HTML elements
https://developer.mozilla.org/en-US/docs/Web/HTML/Element
https://developer.mozilla.org/en-US/docs/Web/API/HTML_DOM_API