<!DOCTYPE html> <html> <head> <title>ShadowRoot hit tests</title> <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" /> <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> </head> <body> <a target="_blank" title="Test getChildAtPoint works for shadow DOM content" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1027315"> Mozilla Bug 1027315 </a><br/> <p id="display"></p> <div id="content" style="display: none"></div> <pre id="test"> </pre> <script> SimpleTest.waitForExplicitFinish(); window.onload = () => { var iframe = document.createElement("iframe"); iframe.src = "test_shadowroot_subframe.html"; document.body.appendChild(iframe); }; </script> </body> </html>