HTML | DOM Video duration Property

The Video duration property is used for returning the length of a video. The Video duration property returns the value in seconds. Different browsers return different precision values such as with safari returning up to 14 decimal places followed by opera returning up to 9 decimal places.
The Video duration property is a read-only property.
The Video duration function returns “NaN” if no video is set whereas if the video is streamed and has no predefined length, it returns “Inf” (Infinity).



Below program illustrates the Video duration Property :
Example: Getting the length of a video.





<!DOCTYPE html>
        HTML | DOM Video duration Property
        h1 {
            color: green;
        h2 {
            font-family: Impact;
        body {
            text-align: center;
    <h2>Video Duration Property</h2>
    <video id="Test_Video" 
        <source src="samplevideo.mp4"
        <source src="movie.ogg" 
    <p>For returning the length of the video,
      double click the "Return Length" button.
    <button ondblclick="My_Video()"
      Return length
    <p id="test"></p>
        function My_Video() {
            var v = 
              "test").innerHTML = v;



  • Before clicking the Button:
  • After Clicking The Button:

Supported Browsers: the browser supported by HTML | DOM Video duration Property are listed below:

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


My Personal Notes arrow_drop_up

I am a technology enthusiast who has a keen interest in programming I am pursuing Engineering in Computer Science from GEU, Dehradun I like to unwind by watching movies and English sitcomsI have a keen interest in music

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