HTML onratechange Event Attribute
Example
Change the playing speed of a video and alert that the speed was changed:
<script>
function myFunction() {
alert("onratechange attribute
fired - The playing speed of the video was changed");
}
</script>
<video
onratechange="myFunction()">
Try it Yourself »
Definition and Usage
The ratechange event occurs when the playing speed of the audio/video is changed (like when a user switches to a slow motion or fast forward mode).
This event is invoked by the playbackRate property of the Audio/Video Object, which sets or returns the current playback speed of an audio/video.
Browser Support
The numbers in the table specify the first browser version that fully supports the event.
| Event | |||||
|---|---|---|---|---|---|
| ratechange | Yes | 9.0 | Yes | Yes | Yes |
Syntax
<element onratechange="script">
Attribute Values
| Value | Description |
|---|---|
| script | The script to be run when the playing speed changes |
Technical Details
| Supported HTML tags: | <audio> and <video> |
|---|
