Re: OnUnload impossibility!

by "Paul Wilson" <webguroo(at)tampabay.rr.com>

 Date:  Thu, 10 Jan 2002 17:38:56 -0500
 To:  "Mike Taylor" <lonewolf(at)one.net>,
<hwg-techniques(at)hwg.org>
 References:  one
  todo: View Thread, Original
They are using several external javascript files.  Look at hat.js and
common.js refernnces in the header

Paul Wilson
webguroo(at)tampabay.rr.com

> Yet, it must be possible.
>
> I had always thought that OnUnload could not tell the difference between
> closing a browser and simply moving to a different page within or outside
> of a site.
>
> Someone recently asked me if it's possible to make a pop-up window appear
> when the user either closes their browser or moves off the site to another
> one, and I said yes, but it would also mean they'd get the same pop-up if
> they also merely changed to a different page within the same site.
>
> Yet, I just went to fortune.com, and they've apparently come up with a way
> to overcome this.  The pop-up ONLY appears when you close the browser or
> leave the site.  If you click on a link within fortune.com, no pop-up
> appears.  But they are using OnUnload...
>
> Even more bizarre is that there is no client side JavaScript appearing in
> the source when viewing this page in Netscape 4.x...how is THAT possible?
>
> I'm stumped on how they achieved this.  Anyone have any ideas?
>
> Mike
>
>


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