HTML | DOM Video mediaGroup Property

Difficulty Level : Basic
Last Updated : 05 Aug, 2019

The Video mediaGroup property is used for setting or returning the name of the media group the video is a part of.
Two or more <video> elements can be synchronized together using a media group.
The Video mediaGroup property returns a string which represents the media group of the video.

Syntax:

Returning the mediaGroup property:
```
videoObject.mediaGroup
```
Setting the mediaGroup property:
```
videoObject.mediaGroup = group
```

Property Values:

group: It is used to specify the media group of the video.

Below program illustrates the Video mediaGroup property :
Example: Setting the video to loop.

<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML | DOM Video mediaGroup Property
    </title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Video mediaGroup Property</h2>
    <br>
  
    <video id="Test_Video1" 
           width="360" 
           height="240" 
           controls>
        <source src="samplevideo.mp4" 
                type="video/mp4">
        <source src="movie.ogg" 
                type="video/ogg">
    </video>
  
    <video id="Test_Video2"
           width="360"
           height="240" 
           controls>
        <source src="sample2.mp4"
                type="video/mp4">
        <source src="movie.ogg" 
                type="video/ogg">
    </video>
  
    <p>
      For setting the media group on the videos,
      double click the "Set mediaGroup" button.
    </p>
    <p>
      For returning the mediaGroup of the video,
      double click the "Return mediaGroup" button.
    </p>
  
    <button ondblclick="set()" 
            type="button">
      Set mediaGroup
    </button>
    <button ondblclick="get()"
            type="button">
      Return mediaGroup
    </button>
  
    <script>
        var v1 = document.getElementById(
          "Test_Video1");
        var v2 = document.getElementById(
          "Test_Video2");
  
        function set() {
            v1.mediaGroup = "Heap Sort";
            v2.mediaGroup = "Quick Sort";
        }
  
        function get() {
            alert("Media group of Video 1 is : "
                  + v1.mediaGroup +
                ". Media group of Video 2 is : "
                  + v2.mediaGroup);
        }
    </script>
  
</body>
  
</html>