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

I created a watcher that checks if the window has been closed:

var w = window.open("http://www.google.com", "_blank", 'top=442,width=480,height=460,resizable=yes', true);
var watchClose = setInterval(function() {
    if (w.closed) {
     clearTimeout(watchClose);
     //Do something here...
    }
 }, 200);