iframe-append-to-child-document.html (602B)
1 <!doctype html> 2 <meta charset=utf-8> 3 <title>Append iframe element to its own child document</title> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 <iframe id=x></iframe> 7 <script> 8 test(function() { 9 var iframe = document.getElementById('x'); 10 var childWindow = iframe.contentWindow; 11 assert_equals(childWindow.parent, window); 12 childWindow.document.body.appendChild(iframe); 13 assert_equals(childWindow.parent, null); 14 assert_equals(iframe.contentWindow, null); 15 assert_equals(childWindow.document.body.firstChild, iframe); 16 }); 17 </script>