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Editorial Team
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Asked: 2026-05-23T04:31:17+00:00

I am displaying a warning dialog box on window close event. If user clicks

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I am displaying a warning dialog box on window close event. If user clicks on Cancel control stays on same page or if user clicks on Okay he get navigated to desired page.
I want collect the value of dialog box means whether user have clicked on Cancel or Okay.I have written following code in external JavaScript:

    $(document).ready(function()
    {
        window.onbeforeunload = askConfirm;
        
        function askConfirm()
        {
            if (flag)
            {
                // Message to be displayed in Warning.
                return "Your unsaved data will be lost.";
            }       
        } 
    }

How can I collect the value?

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1 Answer

  1. Editorial Team
    <script type="text/javascript">

            window.onbeforeunload = function (evt) {

                return "Are you sure to close?";

            }

        </script>

    example code

    http://files.dropbox.com/u/642364/blogger/scripts/close.html

    EDIT
    Getting the response code from the user on window close

    <body onUnload = "CheckIt ()" >
...
</body>
<script>
function CheckIt ()
{
  var response = confirm ("Are you closing..");
   alert (response); // do whatever for response.

}
</script>
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