HTML | DOM Video defaultPlaybackRate Property

The Video defaultPlaybackRate property is used for setting or returning the default playback speed of the video.
The Video defaultPlaybackRate property only changes the default playback speed, not the current playback speed.

Syntax:

  • Returning the defaultPlaybackRate property:
    videoObject.defaultPlaybackRate
  • Setting the defaultPlaybackRate property:
    videoObject.defaultPlaybackRate = number

Property Values:



    number: It is used to specify the default playback speed of the video.
    The available options are:

  • 1.0 is normal speed.
  • 0.5 is half speed.
  • 2.0 is double speed.
  • -1.0 is backwards, normal speed.
  • -0.5 is backwards, half speed.

Below program illustrates the Video defaultPlaybackRate Property :
Example: Setting the video to double speed by default.

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<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML | DOM Video defaultPlaybackRate Property
    </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>
      Video defaultPlaybackRate Property
    </h2>
    <br>
  
    <video id="Test_Video"
           width="360" 
           height="240"
           controls>
        <source src="samplevideo.mp4" 
                type="video/mp4">
        
        <source src="movie.ogg"
                type="video/ogg">
    </video>
  
    <p>
      For returning the playback rate of the 
      video by default, double click the 
      "Return Playback Rate" button.
    </p>
    <button ondblclick="My_VideoRate()" 
            type="button">
      Return Playback Rate
    </button>
  
    <p>
      For changing the playback rate of the
      video by default, double click the 
      "Change Playback Rate" button.
    </p>
    <button ondblclick="Set_VideoRate()"
            type="button">
      Change Playback Rate
    </button>
  
    <script>
        var v = 
            document.getElementById(
              "Test_Video");
  
        function My_VideoRate() {
            alert(v.defaultPlaybackRate);
        }
  
        function Set_VideoRate() {
            v.defaultPlaybackRate = 2;
            v.load();
        }
    </script>
  
</body>
  
</html>

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Output:

Initial Playback Rate

Updated Playback Rate

Supported Browsers: The supported browser by HTML | DOM Video defaultPlaybackRate Property are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Apple Safari


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