Javascript open new tab, and wait for it to close

Question

I want to open a new tab for a bank payment on my website using javascript, and without the main window navigating away,

when the user is back from the bank payment to a

Answer 1

Before closing the popup, try opener.someFunction() to call a function in the window that opened it. Note that this will fail if the user closed the first window, or if the user navigated it to another site, or if the two windows are on different domains for whatever reason.