The base class from which all components are extended.
toString() - Returns '[object AriaComponent]'
on(event: string, listener: function, options: object) - Registers an event handler for the given event type. Parameters match those of addEventListener. It is not possible to respond to the init event using the on and off methods.
off(event: string, listener: function, options: object) - Unregisters an event handler for the given event type. Parameters match those of removeEventListener
element - Returns the element passed to the constructor.
id - The component ID; matches element.id