Given URL is not allowed by the Application configuration

Question

I am trying to create facebook sign-in page according to this tutorial. I only changed the two lines

appId      : \'370675846382420\', // App ID
channelUrl          


        

Answer 1

Go to https://developers.facebook.com/apps and open the app you have created. open setting tab and add platform and insert site url where you want to share facebook button .Its done.