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DocumentOrShadowRoot - Web APIs 编辑

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.pictureInPictureElementRead only: Returns the HTMLVideoElement that's currently in picture-in-picture 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.caretPositionFromPoint(): Returns a CaretPosition object containing the DOM node containing the caret, and caret's character offset within that node.
DocumentOrShadowRoot.elementFromPoint(): Returns the topmost element at the specified coordinates.
DocumentOrShadowRoot.elementsFromPoint(): Returns an array of all elements at the specified coordinates.
DocumentOrShadowRoot.getAnimations(): Returns an array of all Animation objects currently in effect, whose target elements are descendants of the document
DocumentOrShadowRoot.getSelection(): Returns a Selection object representing the range of text selected by the user, or the current position of the caret.
DocumentOrShadowRoot.nodeFromPoint(): Returns the topmost node at the specified coordinates.
DocumentOrShadowRoot.nodesFromPoint(): Returns an array of all nodes at the specified coordinates.

Specifications

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