javascript - Communication between pop up window and original opener -


i trying build integrated payment solution onto existing site.

i have popup window opens third party payment processor page when submit shopping cart contents form.

i want able communicate original 'opener' page once payment process complete.

my problem there 2 or 3 stages on payment processor side, , once complete allow load custom url.

i want load blank page call javascript function closes popup , moves original mainpage onto url.

i have tried using javscript function window.opener refer main page, not work window opened mainpage no longer there , success page descendant of original page.

how can communicate between pop , original main page given these restrictions?

ahhh! rookie mistake.

i trying access functions on opening page calling:

window.opener.mycustomfunction()

window case sensitive , should have read:

window.opener.mycustomfunction()

where mycustomfunction() defined on original opening page:

    window.mycustomfunction = function(){         // code here      }

defining function ensured public function.


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