How to detect browser close event

[bloodandrose]

Can you help me How to detect browser close event?
Thanks

 

[Evertjan.]

wrote on 09 aug 2006 in comp.lang.javascript:

Can you help me How to detect browser close event?

The browser windows cannot be seen anymore and the start toolbar
won't show the minimized versions.

Or perhaps, if you just mean one browser window or tab:

onUnload = "alert('This window going down !')"