[Bug 27844] New: [Shadow]: Element.createShadowRoot() throws an exception for some elements

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27844

            Bug ID: 27844
           Summary: [Shadow]: Element.createShadowRoot() throws an
                    exception for some elements
           Product: WebAppsWG
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Component Model
          Assignee: dglazkov@chromium.org
          Reporter: philipj@opera.com
        QA Contact: public-webapps-bugzilla@w3.org
                CC: mike@w3.org, public-webapps@w3.org
            Blocks: 14978

Per spec createShadowRoot() is always supported, but in Blink it will throw an
exception for HTMLCanvasElement, HTMLFieldSetElement, HTMLImageElement,
HTMLKeygenElement, HTMLMediaElement, HTMLMeterElement, HTMLProgressElement,
HTMLSelectElement, HTMLTextAreaElement, HTMLFrameElement and HTMLIFrameElement.

Make this part of the spec so that the circumstances in which
createShadowRoot() works is documented and consistent between implementations?

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Received on Friday, 16 January 2015 12:38:31 UTC