File: hide-return-to-opener-button-manual.https.html

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<!DOCTYPE html>
<title>Test that using documentPictureInPicture's disallowReturnToOpener
  parameter hides the return to opener button</title>
<body>
  <p>
  This tests that a document picture-in-picture window opened with the `disallowReturnToOpener`
  parameter set to `true` does not display a button to return to the opener.
    <ol>
      <li>Click on the "Open document picture-in-picture window" button below.</li>
      <li>Check that it does not display that button.</li>
    </ol>
  </p>
  <input type="button" id="btnOpenPip" value="Open document picture-in-picture window" />
<script>
const btnOpenPip = document.getElementById('btnOpenPip');
btnOpenPip.addEventListener('click', async () => {
  const pipWindow = await documentPictureInPicture.requestWindow({ disallowReturnToOpener: true });
  pipWindow.document.body.innerText = 'This document picture-in-picture window should not display a button to return to the opener';
});
</script>
</body>