1e133943_HTML_5__Preconditions
[Event name] abort [Interface] ProgressEvent [PROGRESS] [Dispatched when...] The user agent stops fetching the media data before it is completely downloaded. [Preconditions] 
error is an object with the code MEDIA_ERR_ABORTED. networkState equals either NETWORK_EMPTY or NETWORK_LOADED, depending on when the download was aborted.
HTML 5
Preconditions