If onbeforeunload returns true-ish, the browser will put up a dialog with the
results of that true-ish value being cast to a string interpolated inside the
standard dialog. There is no need to have confirm in there as well. Try either
returning false if all is well, or a string with your message if not.
Many modern browsers have this behavior anyway -- if you try to leave a page
after filling out form elements, you get this dialog for free.
Walter
On Jan 11, 2013, at 1:41 AM, sreekal...@tech4travel.co.in wrote:
> I tried this code before window close.But again i get a pop up like " This
> page is asking you to confirm that you want to leave - data you have entered
> may not be saved".Two pop-ups are not needed.
> window.onbeforeunload = function() {
> var r=confirm("Are you sure you want to navigate away?");
> if (r==false)
> {
> return false;
> }
>
> }
>
>
>
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