web api instance property
HTMLMediaElement: duration property
The read-only HTMLMediaElement
property duration indicates the length of the element’s
media in seconds.
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
const obj = document.createElement("video");
console.log(obj.duration); // NaN
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
- Web media technologies
currentTime: The current playback position of the media- The
<audio>and<video>elements