remove_body_in_design_mode_during_focus_move.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script>
"use strict";

document.addEventListener("DOMContentLoaded", async () => {
  const q = document.querySelector("q");
  const data = document.querySelector("data");
  const meter = document.querySelector("meter");
  const button = document.querySelector("button");
  button.addEventListener(
    "focusout",
    () => document.createElement("a").append(q)
  );
  const promiseButtonFocus = new Promise(resolve => {
    button.addEventListener("button", resolve, {once: true});
  });
  button.focus();
  promiseButtonFocus;
  document.designMode = "on";
  q.insertBefore(document.body, data);
  meter.insertBefore(data, meter.childNodes[0]);
}, {once: true});
</script>
</head>
<body>
<q>
  <data>
</q>
<dialog>
  <meter>
</dialog>
<button></button>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/editing/crashtests/remove_body_in_design_mode_during_focus_move.html