I want to open a custom popup box when browser close button is pressed, I want to ask a question to the users exiting that why are they leaving my site. I have checked quite few posts but the best thing I found is something like this post
But this just opens a browser default confirm box. I want to open a custom box like colorbox. My page is
right now I am using
alert function to open the popup but if I donot use the alert, the browser donot waits for my popup and just close it.
Any help is appreciated.