editor/libeditor/crashtests/1517028.html

   1 <!-- COMMENT -->
   2 abc
   3 <head>
   4 <script>
   5 document.addEventListener('DOMContentLoaded', () => {
   6   // For emulating the traditional behavior, collapse Selection to end of the
   7   // <em> which is the deepest last child of the <body> (at the comment node).
   8   getSelection().collapse(
   9     document.querySelector("em[contenteditable]"),
  10     document.querySelector("em[contenteditable]").childNodes.length
  11   );
  12   document.execCommand("justifyLeft");
  13   document.designMode = 'on';
  14   document.execCommand("insertParagraph");
  15 });
  16 </script>
  17 </head>
  18 <h4>
  19 <em contenteditable>
  20 <big>
  21 <button autofocus formnovalidate formtarget="">
  22 </button>
  23 <!-- COMMENT --></big></em></h4></body>