How can I check for an open URL in another window?

Question

This is a follow up to my last question Open a window if the window does not already exist Essentially, I am now keeping a list of all the window references that have been o

Answer 1

In JavaScript, you can only gain references to the current window and any windows that you open with window.open.

You could check for winRef.closed to see if the user closed the window, though. I'm not sure if this works well on all browsers or not, though.