Does window.onbeforeunload() fire in all browsers? I need a onbeforeunload functionality which is supported at least by IE6 and FF3.6.   For IE, onbeforeunload() seems only to be supported by IE9...
I'm developing a php/javascript chat.  When the user logs in, his/her username is inserted in a MySQL table called queue. This insert returns the mysql_insert_id() that will be stored in a session variable called $_SESSION['CHAT_QUEUE_ID...
Does anyone know if the onbeforeunload event is supported on the iPad and/or if there's a different way to use it?  I've tried pretty much everything, and it seems like the onbeforeunload event is never triggered on the iPad (Safari browser...
I have some (potentially) long-running ajax calls that I would like to abort if the user navigates to another page. The following jQuery code calls abort on all pending XMLHttpRequest objects upon navigating away from the page:  $.ajaxSetup({     bef...
Problem: I have a site with dynamic content which needs to be reloaded every time the user sees it. This includes the use case when a user hits the back button on an another site and comes to the site needed to be reloaded. Most (all?) browsers don&#...
<script type="text/javascript">  window.onbeforeunload=before; window.onunload=after;  function before(evt) {    var message="If you continue, your session will be logged out!";    if(typeof evt=="undefined"){       evt=...
I have an onbeforeunload event that's supposed to get triggered any time a user goes to a new page. It works well enough, but I've found that it also gets triggered in Chrome any time a user downloads a file from the page they're on.   I&...
I am displaying a warning message if user try to close window without saving the form.    window.onbeforeunload = askConfirm;      function askConfirm()     {         // needToConfirm is set to true if any changes are there in the form         if (ne...
I'm capturing the window.onbeforeunload event using the following code:  window.onbeforeunload = function (evt)  {      if(checkIsDirty())         {              var message = 'If you continue your changes will not be saved.';...
I'm struggling with onbeforeunload, onunload and generating the right messages at the right time. Any idea welcome. This is the situation:   when I use onbeforeunload, the user gets a message to choose whether to navigate away, but I can't tu...

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