105274 2012-12-18 03:14:20 -0800 The style sheets, represented by the shadow nodes are not hidden 2013-03-14 21:59:11 -0700 1 1 1 Unclassified WebKit DOM 528+ (Nightly build) Unspecified Unspecified RESOLVED DUPLICATE 100332 P2 Normal --- 63606 103230 0 a.semenov webkit-unassigned dglazkov morrita shinyak oldest_to_newest 793509 0 a.semenov 2012-12-18 03:14:20 -0800 The Shadow DOM Specification reads: "4.1 Upper-boundary Encapsulation To maintain the upper-boundary encapsulation, the following scoping constraints must apply to all nodes in a shadow tree: .... * The style sheets, represented by the nodes are not accessible using shadow host document's CSSOM extensions" However in Google Chrome browser version 25.0.1363.0 canary, shadowed style node is accessible via document.styleSeets. Here is sample code: <html> <head> <script> function test(){ var shadowRoot = new window.WebKitShadowRoot(document.head); var style = document.createElement('style'); shadowRoot.appendChild(style); document.write('StyleSheets count: ' + document.styleSheets.length + '(expected: 0)'); } </script> </head> <body onload='test()'> </body> <html> 855687 1 morrita 2013-03-14 21:59:11 -0700 *** This bug has been marked as a duplicate of bug 100332 ***