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ShadowRoot

The ShadowRoot interface of the Shadow DOM API is the root node of a DOM subtree that is rendered separately from a document's main DOM tree.

Properties

ShadowRoot.mode Read only
The mode of the ShadowRoot: either "open" or "closed".
Setting the mode of a shadow root to "closed" makes the shadow root’s implementation internals inaccessible and unchangeable from JavaScript—in the same way the implementation internals of, for example, the <video> element are inaccessible and unchangeable from JavaScript.
ShadowRoot.host Read only
A DOM element to which the ShadowRoot is attached.
ShadowRoot.innerHTML
The DOM tree inside the ShadowRoot.

Specifications

Specification Status Comment
DOM
The definition of 'Interface ShadowRoot' in that specification.		 Living Standard

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 53 No support[1] No support[2] No support 40 10
Feature Android Edge Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 53 No support[1] No support[2] No support 40 10.1

[1] This feature is not implemented yet. See the Edge platform status.

[2] This feature is implemented behind the preference dom.webcomponents.enabled, defaulting to false. See bug 1205323.

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