22412 2013-06-20 02:21:11 +0000 [Shadow]: Clarify the interaction with XML Namespace 2015-04-23 20:55:25 +0000 1 1 1 Unclassified WebAppsWG HISTORICAL - Component Model unspecified All All RESOLVED WORKSFORME P2 normal --- 22716 1 yutak dglazkov annevk public-webapps-bugzilla oldest_to_newest 89621 0 yutak 2013-06-20 02:21:11 +0000 Consider the following code: <html xmlns="http://www.w3.org/1999/xhtml"> <head id="head"> </head> <body> <script><![CDATA[ var shadowRoot = document.getElementById('head').createShadowRoot(); console.log(shadowRoot.namespaceURI); // What should be printed? shadowRoot.innerHTML = "<title />"; console.log(shadowRoot.firstChild.namespaceURI); // How about this one? document.documentElement.setAttribute('xmlns', 'http://example.com/foobar'); console.log(shadowRoot.firstChild.namespaceURI); // Does it change? ]]></script> </body> </html> It is unclear from the specification whether XML namespace is derived over host-shadow boundary. Probably this should be clarified. 119849 1 annevk 2015-04-23 20:55:25 +0000 This follows from how DocumentFragment and innerHTML work. First prints null I think, second null as well, and you cannot change namespaces.