HTMLMediaElement.duration

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

HTMLMediaElement.duration 属性以秒为单位给出媒体的长度,如果没有媒体数据可用,则为零。

语法

js
var myDuration = audioOrVideo.duration;

如果媒体数据可用但长度未知,则此值为 NaN。如果媒体流式传输且没有预定义长度,则值为 Inf。

例子

js
var obj = document.createElement("video");
console.log(obj.duration); // NaN

规范

Specification
HTML
# dom-media-duration-dev

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
duration

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

参见