|Event Property||object.onprogress = handler;|
|addEventListener Method||object.addEventListener("progress", handler, useCapture)|
Event handler parameters
- handler [in]
Function to process the progress event.
The length property of the ProgressEvent contains the number of bytes read and the total property of the ProgressEvent contains the total number of bytes that will be read. The total property is initialized to 0 (zero) and remains at 0 (zero) until the number of bytes to be read is known.