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HTML Audio/Video DOM addTextTrack() Method

  • Last Updated : 31 Jul, 2019
Geek Week

The HTML Video DOM addTextTrack() Method is used to creating or returning the new TextTrack of a video Element. The new TextTrack is added to the list of all TextTracks of a Video Element.

Syntax:

audio/video.addTextTrack(kind, label, language)

Parameter Values:

  • Kind: It specify the Kind of the TextTrack
      Possible values are:

    1. “subtitles”
    2. “caption”
    3. “descriptions”
    4. “chapters”
    5. “metadata”
  • label: It contains a string value which specify the label of a TextTrack
  • language: It contains a two-letter language code which specifying a language of the Texttrack.

Return value: It returns a TextTrack Object which represents a new TextTrack of a Video Element.



Example:




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM addTextTrack() Method
    </title>
</head>
  
<body>
    <center>
        <h1 style="color:green;">  
                GeeksForGeeks  
            </h1>
  
        <h2>
          HTML DOM Video addTextTrack() Method
      </h2>
  
        <video id="gfg"
               width="320" 
               height="240" 
               controls>
            <source src=
                    type="video/mp4">
        </video>
  
        <br>
  
        <button type="button" 
                onclick="myGeeks()">
            New Text Track
        </button>
  
        <script>
            var GFG = document.getElementById("gfg");
  
            function myGeeks() {
                var sudo = GFG.addTextTrack("caption");
                sudo.addCue(new TextTrackCue(
                  "Test text", 01.000, 04.000, "", "", "", true));
            }
        </script>
      </center>
</body>
  
</html>

Output:

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