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HTML | DOM Video seekable Property

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  • Last Updated : 16 Dec, 2020

The Video seekable property is used for returning a TimeRanges object. The TimeRanges object is used for representing the ranges of the video which are available for seeking by the user. 
The time-range of video which is available for seeking i.e. moving playback position is called a seekable range. 
It is often possible to seek anywhere in the video even before it has been buffered if its a non-streaming video. 
The Video seekable property is a read-only property.
The time ranges of object properties are: 

  • length: It is used to get the number of played ranges in the video
  • start(index): It is used to get the start position of a played range
  • end(index): it is used to get the end position of a played range



Below program illustrates the Video seekable property. 
Example: Getting the first seekable range of the video in seconds. 

<!DOCTYPE html>
        Video seekable Property
<body style="text-align: center">
    <h1 style="color: green">
    <h2 style="font-family: Impact">
      Video seekable Property
    <video id="Test_Video"
        <source src="samplevideo.mp4" 
        <source src="movie.ogg" 
<p>To return the seeable range of the video,
      double click the "Return Range" button.</p>
    <button ondblclick="My_Video()" 
      Return Range
    <p id="test"></p>
        function My_Video() {
            var v = document.getElementById("Test_Video");
            document.getElementById("test").innerHTML =
                "Start Point: " + v.seekable.start(0) +
                " End Point: " + v.seekable.end(0);


  • Before clicking the button: 

  • After clicking the button: 

Supported Browsers: The browsers supported by HTML | DOM Video seekable Property are listed below:

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

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