DocumentPictureInPicture: window 属性
DocumentPictureInPicture 接口的只读属性 window 返回一个 Window 实例，该实例代表画中画窗口内部的浏览上下文。
值
如果已使用 DocumentPictureInPicture.requestWindow() 打开了画中画窗口，则返回一个 Window 对象实例，否则返回 null。
示例
js
const videoPlayer = document.getElementById("player");
// …
await window.documentPictureInPicture.requestWindow({
width: videoPlayer.clientWidth,
height: videoPlayer.clientHeight,
});
// …
const pipWindow = window.documentPictureInPicture.window;
if (pipWindow) {
// Mute video playing in the Picture-in-Picture window.
const pipVideo = pipWindow.document.querySelector("#video");
pipVideo.muted = true;
}
规范
| 规范 |
|---|
| 文档画中画规范 # dom-documentpictureinpicture-window |
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