ShadowRoot：fullscreenElement 属性

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

ShadowRoot 接口的 fullscreenElement 只读属性返回影子树中当前全屏显示的元素。

值

当前以全屏模式显示的 Element，若无全屏元素则为 null。

示例

js
let customElem = document.querySelector("my-shadow-dom-element");
let shadow = customElem.shadowRoot;
let fullscreenElem = shadow.fullscreenElement;

规范

Specification
Fullscreen API
# ref-for-dom-document-fullscreenelement②

浏览器兼容性

BCD tables only load in the browser

参见