i have been working on trello api so my issue is that i have to save a token in database. response is in post message :
window.opener.postMessage("token generated here ", "http://www.servername.com")
1. how to fetch token from post message.
2.i have tried code from this link :http://stackoverflow.com/questions/3332532/how-can-i-do-cross-domain-postmessage. but is not working.
3. https://developer.mozilla.org/en-US/docs/Web/API/window.postMessage this link i also go through .
snapshots step by step here is
step 1: authentication with oath :http://postimg.org/image/5cwazfvfv/
step 2: when i press allow button to get token i recieve this window and here
url: http://postimg.org/image/f3y34m2dz/