Controls whether the event object listens to events occurring
in the referenced node only, or to events occurring in the referenced
node and descendents.
Reference_Syntax.listen = "refOnly | refAndDescendents"
Listens to the event only on the container specified by the
: Listens to the event
as it fires on the
node and any of its descendents.
Twitter™ and Facebook posts are not covered under the terms of Creative Commons.