Occurs to indicate progress while downloading media data.
| .png) .png) | 
Syntax
| Event Property | object.onprogress = handler; | 
| addEventListener Method | object.addEventListener("progress", handler, useCapture) | 
Event information
| Synchronous | No | 
| Bubbles | No | 
| Cancelable | No | 
Event handler parameters
- handler [in] 
 Type: function- Event handler object. 
Standards information
- HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 4.8.9.12
Remarks
This operation occurs while the video is loading.
To invoke this event, do one of the following:
- Start playing audio or video from a website.