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How to capture the browser close event in NN 6.0 & IE 4.0+

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alpot

alpot

Programmer
Mar 8, 2001
8
US
Is there a clean way to capture the browser closing event in NN 6.0 & IE 4.0+. I tried the "onunload()" method which
also gets called when the user unloads a page and not closes the browser. There is no way to differentiate between the two events. Why dosen't Javascript have an onClose() event that will trap browser closing?
 
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Check whether it exists or not - or use the window.closed property - which returns true if closed.


b[sup]2[/sup] - benbiddington@surf4nix.com
 
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function check() {
if (window.closed) window.open("}

<body onunload=&quot;check();&quot;>

Closing the browser did not open a new window with Yahoo.com?

Whats going on
 
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Do you mean the existing window - not one opened by you using JavaScript? When these are closed - the client is prompted with a &quot;do you want to close?&quot; message. The irony is, for the code above to work the window itself needs to be closed for the function to run! The only practical way to use the closed property - is to check if someother window is open or closed - you could try the onbeforeunload habdler - to open a new window, if there isn't one already:

You can obtain a reference to an already opened window (via JavaScript) by calling the open method with no page specified. Something like this.
self.open('','','')


So are you trying to pop up a window after someone has decided to quit Internet Explorer? Unless you have another window open somewhere, there is no way to spawn a new window. It seems you are trying to go against the wishes of the client.

I would be interested in your objective for this. ;-)


b[sup]2[/sup] - benbiddington@surf4nix.com
 
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