editor/libeditor/crashtests/1644903.html

   1 <script>
   2 window.onload = () => {
   3   document.execCommand("undo");
   4 }
   5 function onToggle() {
   6   // For emulating the traditional behavior, collapse Selection to end of the
   7   // text node at end of the <details> (<p> is closed before the <details>).
   8   const details = document.querySelector("details");
   9   getSelection().collapse(details.lastChild, details.lastChild.length);
  10   const link = document.querySelector("link");
  11   document.execCommand("delete");
  12   document.querySelector("iframe").contentDocument.adoptNode(link);
  13 }
  14 </script>
  15 <p contenteditable>
  16 <link item="">
  17 <details open ontoggle="onToggle()">
  18 <iframe></iframe>
  19 </details></body>