VideoPlaybackQuality：droppedVideoFrames 属性
VideoPlaybackQuality 接口的只读 droppedVideoFrames 属性返回自媒体上次加载到 HTMLVideoElement
值
一个无符号 64 位值，表示自 <video>
帧通常在解码之前或之后丢弃，当确定无法在正确的时间将它们绘制到屏幕上时。
示例
此示例调用 getVideoPlaybackQuality()VideoPlaybackQuality
js
const videoElem = document.getElementById("my_vid");
const percentElem = document.getElementById("percent");
const quality = videoElem.getVideoPlaybackQuality();
const dropPercent =
(quality.droppedVideoFrames / quality.totalVideoFrames) * 100;
percentElem.innerText = Math.trunc(dropPercent).toString(10);
规范
| 规范 |
|---|
| 媒体播放质量 # dom-videoplaybackquality-droppedvideoframes |
浏览器兼容性
加载中…
另见
HTMLVideoElement.getVideoPlaybackQuality()VideoPlaybackQuality对象。