javascript - Recaptcha 2 how to check if user cancels puzzle -
how detect if user cancelling recaptcha puzzle: 
it possible click outside dialog box , close dialog. however, there doesn't seem callback action. necessary return user previous action.
we initializing recaptcha 2 programmatically this:
grecaptcha.render('grecaptchacontainer', {   'sitekey': our_site_key,   'callback': grecaptcha_responds,   'expired-callback': grecaptcha_expires, }); the callback function called, no problem.
the expired-callback function never called. figured function called when user cancels/waits long. not case.
could not find in docs or on web. takers?
 
 
wiki
 
  
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