EventListenerinterface is the primary method for handling events. Users implement the
EventListenerinterface and register their listener on an
AddEventListenermethod. The users should also remove their
EventTargetafter they have completed using the listener.
Nodeis copied using the
EventListeners attached to the source
Nodeare not attached to the copied
Node. If the user wishes the same
EventListeners to be added to the newly created copy the user must add them manually.
See also the Document Object Model (DOM) Level 2 Events Specification. @since DOM Level 2