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Internet Explorer closing event -catching  in JavaScript

Posted on 2007-11-21
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Last Modified: 2008-02-01
Is there a way of catching a form_unload a type of event for Internet Explorer, with a cancel= true type of parameter?
I mean when  a form/IE is exiting without saving, it gives you a chance to ask the user to confirm " Exit without saving?"
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Question by:Silas2
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4 Comments
 
LVL 25

Expert Comment

by:imitchie
ID: 20326934
window.onclose?
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LVL 75

Expert Comment

by:Michel Plungjan
ID: 20327095
Nope. onClose does not exist.


You are looking for
<body onBeforeUnload="returnValue='Please don\'t go'">
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LVL 4

Assisted Solution

by:rallsaldo
rallsaldo earned 240 total points
ID: 20328323
Hi,

I think the onBeforeUnload event will also fire if the user navigates away from the page, i.e. clicks a link. I have used the following to get round this in javascript (cut down version of actual):


var windowclose = false;
 
function ConfirmClose()
{
     
  if (event.clientY < 0)
   { 
     //I make an AJAX call to another page in here
     event.returnValue = 'Your message';
     
     windowclose=true;
   }
}
 
window.onbeforeunload = ConfirmClose;

Open in new window

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LVL 75

Accepted Solution

by:
Michel Plungjan earned 260 total points
ID: 20328476
That will indeed work on some versions and for an unknown period...
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