The output element represents the result of a calculation.
global attributes & name & form & for
An output element must have both a start tag and an end tag.
any element that can contain phrasing elements
interface HTMLOutputElement : HTMLElement { [PutForwards=value] readonly attribute DOMSettableTokenList htmlFor; readonly attribute HTMLFormElement form; attribute DOMString name; readonly attribute DOMString type; attribute DOMString defaultValue; attribute DOMString value; readonly attribute boolean willValidate; readonly attribute ValidityState validity; readonly attribute DOMString validationMessage; boolean checkValidity(); void setCustomValidity(in DOMString error); readonly attribute NodeList labels; };