DocumentEvent The DocumentEvent interface provides a mechanism by which the user can create an Event of a type supported by the implementation. 
Event The Event interface is used to provide contextual information about an event to the handler processing the event. 
EventListener The EventListener interface is the primary method for handling events. 
EventTarget The EventTarget interface is implemented by all Nodes in an implementation which supports the DOM Event Model. 


EventException Event operations may throw an EventException as specified in their method descriptions.