The HTML DOM Video duration property returns a number corresponding to the length of the video (in seconds).
NOTE − For live streams it returns ‘Inf’ which is infinite because live streams have no predefined duration.
Syntax
Following is the syntax −
Returning string value
mediaObject.duration
Let us see an example of HTML DOM Video duration property −
Example
<!DOCTYPE html>
<html>
<head>
<title>HTML DOM Video duration</title>
<style>
* {
padding: 2px;
margin:5px;
}
form {
width:70%;
margin: 0 auto;
text-align: center;
}
input[type="button"] {
border-radius: 10px;
}
</style>
</head>
<body>
<form>
<fieldset>
<legend>HTML-DOM-Video-duration</legend>
<video id="demo" width="320" controls><source src="https://www.tutorialspoint.com/html5/foo.mp4" type="video/mp4"></video><br>
<input type="button" onclick="getTrackDetails()" value="How many seconds of content is this video?">
<div id="divDisplay"></div>
</fieldset>
</form>
<script>
var divDisplay = document.getElementById("divDisplay");
var demo = document.getElementById("demo");
function getTrackDetails() {
divDisplay.textContent = 'Duration: '+demo.duration+' seconds';
}
</script>
</body>
</html>Output
Before clicking ‘How many seconds of content is this video?’ button −
After clicking ‘How many seconds of content is this video?’ button −
