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    attachShadow

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    Non-standard
    This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

    The Element.attachShadow() method attatches a shadow DOM tree to the specified element and returns a reference to its ShadowRoot.

    Syntax

    var shadowroot = element.attachShadow(shadowRootInit);

    Parameters

    shadowRootInit
    A ShadowRootInit dictionary, having the following field:
    • mode: A string specifying the encapsulation mode for the shadow DOM tree. One of:
      • open. Specifies open encapsulation mode.
      • closed. Specifies closed encapsulation mode.

    Returns

    Returns a ShadowRoot.

    Specifications

    Specification Status Comment
    Shadow DOM
    The definition of 'attachShadow()' in that specification.    		 Working Draft Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
    Basic support Not supported Not supported Not supported ? Not supported
    Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
    Basic support Not supported Not supported Not supported ? ? ? ? Not supported
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    Document Tags and Contributors

     Contributors to this page: rolfedh, arthurevans, jpmedley
     Last updated by: rolfedh,