1383755.html - mozsearch

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<html>

  <head>

    <script type="application/javascript">

      let table = document.createElement('table');

      document.documentElement.appendChild(table);

      let tr = document.createElement('tr');

      table.appendChild(tr);

      let input = document.createElement('input');

      document.documentElement.appendChild(input);

      let img = document.createElement('img');

      input.appendChild(img);

      img.contentEditable = 'true'

      tr.appendChild(img);

      img.offsetParent;

      // Since table's cell is selected by the following, it will show

      // object resizer that is anonymous element.

      window.getSelection().selectAllChildren(tr);

      // Document.adoptNode will remove anonymous element of object resizer

      // and it shouldn't cause crash

      document.implementation.createDocument('', '').adoptNode(table);

    </script>

  </head>

</html>