VideoPlaybackQuality：droppedVideoFrames 屬性
VideoPlaybackQuality 介面的只讀 droppedVideoFrames 屬性返回自媒體上次載入到 HTMLVideoElement
值
一個無符號 64 位值，表示自 <video>
幀通常在解碼之前或之後丟棄，當確定無法在正確的時間將它們繪製到螢幕上時。
示例
此示例呼叫 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);
規範
| 規範 |
|---|
| 媒體播放質量 # dom-videoplaybackquality-droppedvideoframes |
瀏覽器相容性
載入中…
另見
HTMLVideoElement.getVideoPlaybackQuality()VideoPlaybackQuality物件。