The fullscreenElement read-only property of the ShadowRoot interface returns the element within the shadow tree that is currently displayed in full screen.
ShadowRoot: fullscreenElement property
Value
The Element which is currently is displayed in full screen mode, or null if there is no full screen element.
Examples
js
let customElem = document.querySelector("my-shadow-dom-element");
let shadow = customElem.shadowRoot;
let fullscreenElem = shadow.fullscreenElement;
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
fullscreenElement |
71 | 79 | 6463 | No | 58 | 16.4 | 71 | 71 | 6463 | 50 | 16.4 | 10.0 |
See also
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https://developer.mozilla.org/en-US/docs/Web/API/ShadowRoot/fullscreenElement