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HTML onratechange Event Attribute

❮ HTML Event Attributes

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>

❮ HTML Event Attributes

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