Get facebook profile data using ajax

	/**
	 * Get some data in facebook profile
	 */
	$.ajaxSetup( { cache: true } );
	$.getScript( '//connect.facebook.net/en_US/sdk.js', function() {
		FB.init( {
			appId: '224429194748109',
			version: 'v2.7' // or v2.1, v2.2, v2.3, ...
		} );     
		$( '#link-fb' ).removeClass('disabled');
		$( '#link-fb:not(.disabled)' ).on( 'click', function( e ) {
			e.preventDefault();
			FB.login( function( response ){
				if ( response.status === 'connected' ) {
					FB.api( '/me', { fields: [ 'id', 'email', 'first_name', 'last_name' ] }, function( response ) {
						$( '.first_name input' ).val( response.first_name );
						$( '.last_name input' ).val( response.last_name );
						$( '.email_address input' ).val( response.email );
					} );
				} else {
					console.log( 'failed login' );
				}
			}, { scope: 'public_profile,email' } );
		} );
	} );

this is good!!!