The HTMLAreaElement.rel property reflects the rel attribute. It is a DOMString containing a space-separated list of link types indicating the relationship between the resource represented by the <a> element and the current document.
The HTMLAreaElement.relList read-only property reflects the rel attribute. It is a live DOMTokenList containing the set of link types indicating the relationship between the resource represented by the <area> element and the current document.
The HTMLAudioElement interface provides access to the properties of <audio> elements, as well as methods to manipulate them. It derives from the HTMLMediaElement interface.
The HTMLBaseElement interface contains the base URI for a document. This object inherits all of the properties and methods as described in the HTMLElement interface.
The HTMLBodyElement interface provides special properties (beyond those of the regular HTMLElement interface they also inherit) for manipulating body elements.
The HTMLButtonElement interface provides properties and methods (beyond the <button> object interface it also has available to them by inheritance) for manipulating the layout and presentation of button elements.
The HTMLCanvasElement interface provides properties and methods for manipulating the layout and presentation of canvas elements. The HTMLCanvasElement interface also inherits the properties and methods of the HTMLElement interface.
The HTMLDataElement interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating <data> elements.
The HTMLDataListElement interface provides special properties (beyond the HTMLElement object interface it also has available to it by inheritance) to manipulate <datalist> elements and their content.
The HTMLDivElement interface provides special properties (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating div elements.
The HTMLDListElement interface provides special properties (beyond those of the regular HTMLElement interface it also has available to it by inheritance) for manipulating definition list elements.
The HTMLElement.contentEditable property is used to indicate whether or not the element is editable. This enumerated attribute can have the following values:
The HTMLElement.dataset property allows access, both in reading and writing mode, to all the custom data attributes (data-*) set on the element. It is a map of DOMString, one entry for each custom data attribute.