HTML onloadstart Attribute
Definition and Usage
The onloadstart event occurs when the browser starts looking for the specified audio/video. This is when the loading process starts.
During the loading process of an audio/video, the following events occur, in this order:
Applies to
The onloadstart attribute is part of the Event Attributes, and can be used on the following elements:
| Elements | Event |
|---|---|
| <audio> | loadstart |
| <video> | loadstart |
Examples
Audio Example
Run "myFunction" when the data starts to load:
<audio onloadstart="myFunction()">
Try it Yourself »
Video Example
Run "myFunction" when the data starts to load:
<video onloadstart="myFunction()">
Try it Yourself »
Browser Support
The onloadstart attribute has the following browser support for each element:
| Element | |||||
|---|---|---|---|---|---|
| audio | Yes | 9.0 | Yes | Yes | Yes |
| video | Yes | 9.0 | Yes | Yes | Yes |