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DocumentOrShadowRoot

The DocumentOrShadowRoot mixin of the Shadow DOM API provides APIs that are shared between documents and shadow roots. The following features are included in both Document and ShadowRoot.

Properties

DocumentOrShadowRoot.activeElementRead only: Returns the Element within the shadow tree that has focus.
DocumentOrShadowRoot.fullscreenElementRead only: Returns the Element that's currently in full screen mode for this document.
DocumentOrShadowRoot.pointerLockElement Read only: Returns the element set as the target for mouse events while the pointer is locked. It returns null if lock is pending, the pointer is unlocked, or if the target is in another document.
DocumentOrShadowRoot.styleSheetsRead only: Returns a StyleSheetList of CSSStyleSheet objects for stylesheets explicitly linked into, or embedded in a document.

Methods

DocumentOrShadowRoot.getSelection(): Returns a Selection object representing the range of text selected by the user, or the current position of the caret.
DocumentOrShadowRoot.elementFromPoint(): Returns the topmost element at the specified coordinates.
DocumentOrShadowRoot.elementsFromPoint(): Returns an array of all elements at the specified coordinates.
DocumentOrShadowRoot.caretPositionFromPoint(): Returns a CaretPosition object containing the DOM node containing the caret, and caret's character offset within that node.

Specifications

Specification	Status	Comment
DOM The definition of 'DocumentOrShadowRoot' in that specification.	Living Standard	Initial definition.
Shadow DOM The definition of 'DocumentOrShadowRoot' in that specification.	Obsolete	Implementation in Shadow DOM.

Browser CompatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	53	Yes	Yes	Yes	40	Yes
`activeElement`	53	Yes	Yes	Yes	40	Yes
`adoptedStyleSheets`	53	Yes	Yes	Yes	40	Yes
`caretPositionFromPoint`	No	Yes	Yes	Yes	No	Yes
`elementFromPoint`	53	Yes	Yes	Yes	40	Yes
`elementsFromPoint`	53	Yes	Yes	Yes	40	Yes
`fullscreenElement`	53 Prefixed 53 Prefixed Prefixed Requires the vendor prefix: webkit	Yes Prefixed Yes Prefixed Prefixed Requires the vendor prefix: webkit	64 64 47 Disabled Disabled From version 47: this feature is behind the `full-screen-api.unprefix.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. 9 Uses the non-standard name: `mozFullScreenElement`	Yes Prefixed Yes Prefixed Prefixed Requires the vendor prefix: ms	40 Prefixed 40 Prefixed Prefixed Requires the vendor prefix: webkit	Yes Prefixed Yes Prefixed Prefixed Requires the vendor prefix: webkit
`getSelection`	53	Yes	Yes	Yes	40	Yes
`pointerLockElement`	53	Yes	Yes	Yes	40	Yes
`styleSheets`	53	Yes	Yes	Yes	40	Yes

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	53	53	Yes	Yes	40	Yes	6.0
`activeElement`	53	53	Yes	Yes	40	Yes	6.0
`adoptedStyleSheets`	53	53	Yes	Yes	40	Yes	6.0
`caretPositionFromPoint`	No	No	Yes	Yes	No	Yes	No
`elementFromPoint`	53	53	Yes	Yes	40	Yes	6.0
`elementsFromPoint`	53	53	Yes	Yes	40	Yes	6.0
`fullscreenElement`	53 Prefixed 53 Prefixed Prefixed Requires the vendor prefix: webkit	53 Prefixed 53 Prefixed Prefixed Requires the vendor prefix: webkit	Yes Prefixed Yes Prefixed Prefixed Requires the vendor prefix: webkit	64 64 47 Disabled Disabled From version 47: this feature is behind the `full-screen-api.unprefix.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. 9 Uses the non-standard name: `mozFullScreenElement`	40 Prefixed 40 Prefixed Prefixed Requires the vendor prefix: webkit	Yes Prefixed Yes Prefixed Prefixed Requires the vendor prefix: webkit	6.0 Prefixed 6.0 Prefixed Prefixed Requires the vendor prefix: webkit
`getSelection`	53	53	Yes	Yes	40	Yes	6.0
`pointerLockElement`	53	53	Yes	Yes	40	Yes	6.0
`styleSheets`	53	53	Yes	Yes	40	Yes	6.0

[1] This interface's features are still implemented on the Document object.

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https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot