HTML Reference Manual

HTML Tag Reference

HTML Audio/Video DOM startDate Attribute

Online Example

Get the current timeline offset of the video:

Example

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>HTML Audio/Video startDate Attribute Usage-Basic Tutorial(oldtoolbag.com)</title>
</head>
<body>
<button onclick="getTimeOffset()" type="button">Get the current timeline offset of the video</button>
<br>　
<video id="video1" controls="controls">
　　<source src="movie.mp4" type="video/mp4">
　　<source src="movie.ogg" type="video/ogg">
　　Your browser does not support HTML5　video tag.
</video>
<script>
myVid=document.getElementById("video1");
function getTimeOffset()
{　
　　alert(myVid.startDate);
}　
</script>　
</body>
</html>

Test to see ‹/›

Definition and Usage

The startDate attribute returns a Date object representing the audio/The current timeline offset of the video.
The startDate attribute is used to enable audio streaming from the Internet in real time./Accurate synchronization of the video.

Browser Compatibility

IEFirefoxOperaChromeSafari

All mainstream browsers do not support the startDate attribute.

Syntax

audio|video.startDate

Technical Details

Return value:	A Date object representing the current timeline offset.

　HTML Audio/Video DOM Reference Manual

HTML: <template> tag