Capturing [removed]

Question

I have a form where the input fields are saved onChange. In Firefox (5) this works even when the window is closed, but for Chrome and IE it doesn\'t and I need

Answer 1

I seem to be a bit late to the party and much more of a beginner than any expertise; BUT this worked for me:

window.onbeforeunload = function() {
      return false;
};

I placed this as an inline script immediately after my Head and Meta elements, like this:

<script>
  window.onbeforeunload = function() {
     return false;
  }
</script>

This page seems to me to be highly relevant to the originator's requirement (especially the sections headed window.onunload and window.onbeforeunload): https://javascript.info/onload-ondomcontentloaded

Hoping this helps.