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HTML | <track> default Attribute
  • Last Updated : 28 Jun, 2019

The HTML <track> default Attribute is a Boolean attribute. This attribute is used to specify that the track will be enabled if the user’s preferences do not indicate that another track would be more appropriate.

Note: With a default attribute, there must not be more than one track element per media element.

Syntax:

<track src="subtitles_en.vtt" default>

Below Example illustrates the use of default attribute in <track> element.
Example:




<html>
  
<head>
    <style>
        body {
            text-align: center;
        }
          
        h1 {
            color: green;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
    <h2
    HTML <track>default Attribute 
</h2>
  
    <video width="100" 
           height="100" 
           controls>
  
        <track src=
               kind="subtitles" 
               srclang="en"
               label="English" 
               default>
  
            <source id="myTrack" 
                    src=
                    type="video/mp4">
  
    </video>
</body>
  
</html>

Output:

Supported Browsers: The browsers supported by HTML <track> default Attribute are listed below:

  • Google Chrome 18.0
  • Internet Explorer 10.0
  • Firefox 31.0
  • Apple Safari 6.0
  • Opera 15.0

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