d549031f_HTML_5__Dispatched_when___
[Event name] abort [Interface] ProgressEvent [PROGRESS] [Preconditions] error is an object with the code MEDIA_ERR_ABORTED. networkState equals either EMPTY or LOADED, depending on when the download was aborted. [Dispatched when...] 
The user agent stops fetching the media data before it is completely downloaded. This can be fired synchronously during the load() method call.
HTML 5
Dispatched when...