This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The DocumentOrShadowRoot interface of the the Shadow DOM API provides contains APIs that are shared between documents and shadow roots.


DocumentOrShadowRoot.activeElement Read only
Returns the element within the shadow tree that has focus.
DocumentOrShadowRoot.styleSheets Read only
Returns a StyleSheetList of CSSStyleSheet objects for stylesheets explicitly linked into or embedded in a document


Returns a Selection object representing the range of text selected by the user or the current position of the caret.
Returns the topmost element at the specified coordinates.
Returns an array of all elements at the specified coordinates.
Returns a CaretPosition object containing the DOM node containing the caret and caret's character offset within that node.
Specification Status Comment
The definition of 'DocumentOrShadowRoot' in that specification.
Living Standard Initial definition.
Shadow DOM
The definition of 'DocumentOrShadowRoot' in that specification.
Working Draft Implementation in Shadow DOM.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 53.0 ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 53.0 ? ? ? ? ? 53.0


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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

API DocumentOrShadowRoot Interface Reference shadow dom