Following code will display the time of last DOM Change on the title bar of the page.

Be very careful with this event it is easy to cause an infinite loop if you decide to change the DOM inside the event handler.
document.body.addEventListener('DOMSubtreeModified', function () {
  document.title = 'DOM Changed at ' + new Date();
}, false);

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 Contributors to this page: fscholz, lieuwex, teoli, Sheppy
 Last updated by: fscholz,