How would I raise an event (jQuery or vanilla Javascript) when a popup window is closed?

Question

I want to raise an event when a popup window is closed, or preferably, just before closing. I\'m storing the popup window object as an object, but I don\'t know of any way to bi

Answer 1

There's one tiny catch I have to mention in relation to the previous mentions of onunload based on my previous experience:

Opera 9.0.x-9.2.x only runs window.onUnload if the user navigates away from a page. If the user instead closes the window, the event will never fire. I suspect this was done to combat the self-reloading popup problem (where a popup could reopen itself on page close).

This has most likely persisted to Opera 9.5.x. Other browsers may also implement this, but I don't believe IE or Firefox do.