class js.html.ProgressEvent extends Event
Available on js
This interface represents the events sent with progress information while uploading data using the
XMLHttpRequest
object.1.0
11.0
Introduced
Gecko 1.9.1
Inherits from:
nsIDOMEvent
Last changed in Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)
The nsIDOMProgressEvent
is used in the media elements (<video>
and <audio>
) to inform interested code of the progress of the media download. This implementation is a placeholder until the specification is complete, and is compatible with the WebKit ProgressEvent.
Documentation for this class was provided by MDN.
Instance Fields
var lengthComputable:Bool
Specifies whether or not the total size of the transfer is known. Read only.
The number of bytes transferred since the beginning of the operation. This doesn't include headers and other overhead, but only the content itself. Read only.