HTML | DOM Video autoplay Property

Last Updated : 15 Jul, 2022

The Video autoplay property is used for setting or returning whether a video should start playing as soon as it is loaded or not. It can be used to specify that the video should automatically start playing as soon as it is loaded.

Syntax:

To return the autoplay property:

videoObject.autoplay

To set the autoplay property:

videoObject.autoplay = true|false

Property Values:

true|false : It is used to specify whether a video should automatically start playing as soon as it is loaded or not. By Default, it is set to false.

Return Values: It returns a Boolean value that returns true when the video automatically starts playing, otherwise it returns false.

Below program illustrates the Video autoplay Property :

Example-1: Enabling autoplay for a video.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
      Video Autoplay Property in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>
      GeeksforGeeks
    </h1>
    <h2>
      Video Autoplay Property
    </h2>
    <br>
 
    <video id="Test_Video" 
           width="360" 
           height="240"
           controls>
       
        <source src="samplevideo.mp4" 
                type="video/mp4">
        <source src="movie.ogg" 
                type="video/ogg">
    </video>
 
    <p>
      To know whether autoplay is enabled or not
      , double click the "Return Buffered Range" button.
    </p>
 
    <button ondblclick="My_Video()"
            type="button">
      Enable Autoplay
    </button>
 
    <p id="test"></p>
 
    <script>
        function My_Video() {
            v.autoplay = true;
            v.load();
        }
    </script>
 
</body>
 
</html>

Output:

Example-2: Finding out if the video started to play as soon as it was ready.

html

<!DOCTYPE html>
<html>
 
<head>
    <title>
      Video autoplay Property in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Video autoplay Property</h2>
    <br>
 
    <video id="Test_Video"
           width="360"
           height="240"
           controls autoplay>
       
        <source src="samplevideo.mp4"
                type="video/mp4">
        <source src="movie.ogg" 
                type="video/ogg">
    </video>
 
    <p>
      To know whether autoplay is enabled or not,
      double click the "Check" button.
    </p>
 
    <button ondblclick="My_Video()">
      Check
    </button>
 
    <p id="test"></p>
 
    <script>
        function My_Video() {
            var v = 
                document.getElementById(
                  "Test_Video").autoplay;
           
            document.getElementById(
              "test").innerHTML = v;
        }
    </script>
 
</body>
 
</html>