<!DOCTYPE html>
<html>
<head>
<title>Wikitechy ondurationchange attribute</title>
</head>
<body>
<audio controls ondurationchange="durationChange(this)">
<source src="welcome.wav" type="audio/wav">
<source src="welcome.mp3" type="audio/mp3">
</audio>
<script>
function durationChange (obj)
{
alert("Total Duration of Audio in Seconds :" + obj.duration);
}
</script>
</body>
</html>
<html>
<head>
<title>Wikitechy ondurationchange attribute</title>
</head>
<body>
<audio controls ondurationchange="durationChange(this)">
<source src="welcome.wav" type="audio/wav">
<source src="welcome.mp3" type="audio/mp3">
</audio>
<script>
function durationChange (obj)
{
alert("Total Duration of Audio in Seconds :" + obj.duration);
}
</script>
</body>
</html>
Result