throws-exception.html (689B)
1 <!DOCTYPE html> 2 <title>moveBefore exception conditions</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <body> 6 7 <div></div> 8 9 <script> 10 test(t => { 11 const iframe = document.createElement('iframe'); 12 document.body.append(iframe); 13 const connectedCrossDocChild = iframe.contentDocument.createElement('div'); 14 const connectedLocalParent = document.querySelector('div'); 15 16 assert_throws_dom("HIERARCHY_REQUEST_ERR", () => { 17 connectedLocalParent.moveBefore(connectedCrossDocChild, null); 18 }, "moveBefore on a cross-document target node throws an exception"); 19 }, "moveBefore() on a cross-document target node"); 20 </script>