title: How to send an AJAX PUT request on page unload without it cancelling?
body: <p>I'm trying to send a <code>PUT</code> request on the <code>unload</code> event, however the request is always cancelled.</p>
  <p>Answers here suggests it's</p>
  <ol>
  <li><p>not possible: <a href="https://stackoverflow.com/questions/29847151/how-to-perform-an-ajax-call-on-page-unload">How to perform an ajax call on page unload?</a></p>
  </li>
  <li><p>possible: <a href="https://stackoverflow.com/questions/7614756/how-do-i-send-an-ajax-request-upon-page-unload-leaving">How do I send an AJAX request upon page unload / leaving?</a></p>
  </li>
  </ol>
  <p>Can I send an AJAX request on unload, if so how can I without being cancelled.</p>
  <p>Note: I don't care about the response, I don't need a response. Just need to send some info to the server saying the page was closed without keep alive checks.</p>