Facebook Login and Iframe redirection

Question

I am building an Facebook IFrame App. I am using the below javascript code to request user to login and allow permissions for the application, after which they are supposed

Answer 1

Note on redirecting within a frame to the Facebook login page. You have to use javascript to redirect the entire page since the login page passed the X-Frame-Options:DENY header and modern browsers will prevent you from sending the user to the URL if that header is present. Solution is to use javascript::window.top.location = ''; to redirect the whole page