The read-only HTMLMediaElement property duration indicates the length of the element's media in seconds.
HTMLMediaElement.duration
Value
A double-precision floating-point value indicating the duration of the media in seconds. If no media data is available, the value NaN is returned. If the element's media doesn't have a known duration—such as for live media streams—the value of duration is +Infinity.
Examples
var obj = document.createElement('video'); console.log(obj.duration); // NaN
Specifications
| Specification |
|---|
| HTML Standard # dom-media-duration-dev |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
duration |
1
|
12
|
3.5
|
9
|
≤12.1
|
3.1
|
≤37
|
18
|
4
|
≤12.1
|
3
|
1.0
|
See also
- Web media technologies
-
HTMLMediaElement.currentTime: The current playback position of the media - The
<audio>and<video>elements
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/duration
