| title | HTMLMediaElement: duration property |
|---|---|
| short-title | duration |
| slug | Web/API/HTMLMediaElement/duration |
| page-type | web-api-instance-property |
| browser-compat | api.HTMLMediaElement.duration |
{{APIRef("HTML DOM")}}
The read-only {{domxref("HTMLMediaElement")}}
property duration indicates the length of the element's
media in seconds.
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.
const obj = document.createElement("video");
console.log(obj.duration); // NaN{{Specifications}}
{{Compat}}
- Web media technologies
- {{domxref("HTMLMediaElement.currentTime")}}: The current playback position of the media
- The {{HTMLElement("audio")}} and {{HTMLElement("video")}} elements
