HTML onratechange Event Attribute - HTML Media Events Attribute

HTML onratechange Event Attribute 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).

Example of HTML onratechange Event Attribute

It will change the playing speed of a video and alert that the speed was changed.

index.html

Example: HTML

 <script>
function myFunction() {
  alert("onratechange attribute fired - The playing speed of the video was changed");
}
</script>

<video onratechange="myFunction()">

Output should be:

Definition and Usage of HTML onratechange Event Attribute

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 of HTML onratechange Event Attribute

The numbers in the table specify the first browser version that fully supports the event.

Syntax of HTML onratechange Event Attribute

<element onratechange="script">

Attribute Values of HTML onratechange Event Attribute

Value	Description
script	The script to be run when the playing speed changes

Technical Details of HTML onratechange Event Attribute

Supported HTML tags:	<audio> and <video>

Change the playing speed of a video and alert that the speed was changed

It will Cclick the button to trigger the "ratechange" event.

index.html

Example: HTML

<!DOCTYPE html> 
<html> 
<body> 

<script>
function setPlaySpeed() { 
  document.getElementById("myvideo").playbackRate = 0.3;
} 

function myFunction() { 
  alert("onratechange attribute fired - The playing speed of the video was changed");
}
</script> 

<p>Click the button to trigger the "ratechange" event.</p>

<video id="myvideo" autoplay controls onratechange="myFunction()">
  <source src="https://download.samplelib.com/mp4/sample-5s.mp4" type="video/mp4">
  <source src="https://download.samplelib.com/mp4/sample-5s.mp4" type="video/ogg">
  Your browser does not support HTML5 video.
</video>
<br>

<button onclick="setPlaySpeed()" type="button">Set video to be play in slow motion</button>

<p>Video courtesy of <a href="https://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p>

</body> 
</html>

Output should be:

html event attributes

Type:	Develop
Category:	Web Tutorial
Sub Category:	HTML Media Events Attribute
Uploaded by:	Admin

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