forwarddelete-in-text-in-span-in-editable-documentElement.html

<!doctype html>
<script>
addEventListener("load", () => {
  const r = document.documentElement;
  while (r.firstChild) {
    r.firstChild.remove();
  }

  document.documentElement.contentEditable = "true";
  document.documentElement.appendChild(document.createElement("span"));
  document.documentElement.firstChild.appendChild(document.createTextNode("_"));
  document.execCommand("forwarddelete");
});
</script>
<body>

chromium/third_party/blink/web_tests/external/wpt/editing/crashtests/forwarddelete-in-text-in-span-in-editable-documentElement.html