A string that will contain an error message after the onerror event has fired.
Event handler which is called when incoming data is available.
Event handler which is called when an error has occurred.
Event handler which is called when the stream is about to start receiving data.
Event handler which is called when the stream has no more data to deliver and has closed.
Describes the current status of the stream.
Closes the request.
Disconnects the filter from the request.
Resumes processing of the request.
Suspends processing of the request.
Writes some data to the output stream.
An object you can use to monitor and modify HTTP responses.