The EventListener interface is the primary way for handling
events. Users implement the EventListener interface and
register their event listener on an EventTarget. The users
should also remove their EventListener from its
EventTarget after they have completed using the listener.
Copying a Node, with methods such as
Node.cloneNode or Range.cloneContents, does not
copy the event listeners attached to it. Event listeners must be attached
to the newly created Node afterwards if so desired.
Moving a Node, with methods Document.adoptNode
, Node.appendChild, or Range.extractContents,
does not affect the event listeners attached to it.
See also the
Document Object Model (DOM) Level 3 Events Specification
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