HTML onloadstart Event Attribute
Example
Alert that the video is starting to load:
<script>
function myFunction() {
alert('Starting to load
video');
}
</script>
<video onloadstart="myFunction()">
Try it Yourself »
More "Try it Yourself" examples below.
Definition and Usage
The loadstart 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:
Browser Support
The numbers in the table specify the first browser version that fully supports the event.
| Event | |||||
|---|---|---|---|---|---|
| loadstart | Yes | 9.0 | Yes | Yes | Yes |
Syntax
<element onloadstart="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run when the loading process starts |
Technical Details
| Supported HTML tags: | <audio> and <video> |
|---|
More Examples
Example
Alert that the audio is starting to load:
<script>
function myFunction() {
alert('Starting to load
audio');
}
</script>
<audio onloadstart="myFunction()">
Try it Yourself »
