Javascript DOM onratechange Event via HTML Tag onratechange attribute

Introduction

In this example, we assign an "onratechange" event to a video element.

The playbackRate property is used to change the playing speed of the video.

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<!DOCTYPE html>
<html>
<body>
<video id="myVideo" 
       width="100" 
       height="100" 
       autoplay //from w  w  w  .j  ava  2 s  .com
       controls 
       onratechange="myFunction()">
  <source src="video.mp4" type="video/mp4">
  <source src="video.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video><br>

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

<script>
// Get the video element with id="myVideo"
var x = document.getElementById("myVideo");

// Set the current playback speed of the video to 0.3 (slow motion)
function setPlaySpeed() {
  x.playbackRate = 0.3;
}

// Alert some text when the playing speed of the video is changed
function myFunction() {
  document.getElementById("demo").innerHTML = "The playing speed of the video was changed";
}
</script>

</body>
</html>
Bubbles: No
Cancelable: No
Event type: Event
Supported HTML tags: <audio> and <video>



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