window.opener.closed works in IE 6 but not in Mozilla or Opera due to a known bug. Also, in IE 5 window.opener.closed DOES NOT work correctly due to another known bug. I also have a longer writeup in my blog.
Test page Workaround is included
Reported by: Yakov Shafranovich.
Explorer 5-6 Windows, Mozilla, Opera | Reported on 18 May 2005.
This site is no longer maintained. I’m sorry, but it’s just too much work for too little return. You can continue to browse old bug reports, though.
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