<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1083587 --> <head> <meta charset="utf-8"> <title>Test for Bug 1083587</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1083587">Mozilla Bug 1083587</a> <p id="display"></p> <div id="content" style="display: none"> <div id="host"></div> </div> <pre id="test"> </pre> <script type="application/javascript"> /** Test for Bug 1083587 **/ var hostInDoc = document.getElementById("host"); var shadowOne = hostInDoc.createShadowRoot(); is(shadowOne.host, hostInDoc); var shadowTwo = hostInDoc.createShadowRoot(); is(shadowOne.host, hostInDoc); is(shadowTwo.host, hostInDoc); var hostNotInDoc = document.createElement("div"); var shadowThree = hostNotInDoc.createShadowRoot(); is(shadowThree.host, hostNotInDoc); var shadowFour = hostNotInDoc.createShadowRoot(); is(shadowThree.host, hostNotInDoc); is(shadowFour.host, hostNotInDoc); </script> </body> </html>