在此页

• 句法
• 范例
• 浏览器兼容性
• 另请参阅
• 相关话题

Obsolete since Gecko 30 (Firefox 30 / Thunderbird 30 / SeaMonkey 2.27 / Firefox OS 1.4)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

VideoPlaybackQuality.totalFrameDelay 只读特性返回 double containing the sum of the frame delay since the creation of the associated HTMLVideoElement . The frame delay is the difference between a frame's theoretical presentation time and its effective display time.

句法

value = videoPlaybackQuality.totalFrameDelay;
					

范例

var videoElt = document.getElementById('my_vid');
var quality = videoElt.getVideoPlaybackQuality();
alert(quality.totalFrameDelay);
					

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
totalFrameDelay 弃用 非标	Chrome 23	Edge 12	Firefox 不支持 25 — 30 注意事项 Disabled 25 — 30 注意事项 Disabled Limited support to an allowed list of sites, for example YouTube, Netflix, and other popular streaming sites. Disabled preference. To change preferences in Firefox, visit about:config.	IE 11	Opera 15	Safari 8	WebView Android 4.4.3	Chrome Android ?	Firefox Android 不支持 No	Opera Android 14	Safari iOS 不支持 No	Samsung Internet Android ?

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

非标。预期跨浏览器支持较差。

弃用。不要用于新网站。

弃用。不要用于新网站。

见实现注意事项。

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

• HTMLVideoElement.getVideoPlaybackQuality() method for constructing and returning this interface.
• MediaSource
• SourceBuffer

元数据

• 最后修改： Dec 26, 2019

相关话题

1. Media Source Extensions API
2. VideoPlaybackQuality
3. 特性

   1. corruptedVideoFrames
   2. creationTime
   3. droppedVideoFrames
   4. totalFrameDelay
   5. totalVideoFrames
4. Related pages for Media Source Extensions

   1. HTMLVideoElement.getVideoPlaybackQuality()
   2. MediaSource
   3. SourceBuffer
   4. SourceBufferList
   5. TextTrack.sourceBuffer
   6. TrackDefault
   7. TrackDefaultList
   8. URL.createObjectURL()
   9. VideoTrack.sourceBuffer