text: //load facebook sdk
  window.fbAsyncInit = function() {
    FB.init({
      appId      : '621760831301716',
      xfbml      : true,
      version    : 'v2.2',
      status     : true
    });
  };
  
  (function(d, s, id){
     var js, fjs = d.getElementsByTagName(s)[0];
     if (d.getElementById(id)) {return;}
     js = d.createElement(s); js.id = id;
     js.src = "//connect.facebook.net/en_US/sdk.js";
     fjs.parentNode.insertBefore(js, fjs);
   }(document, 'script', 'facebook-jssdk'));
  
  $('#fbLogin').on('click', function(){
   FB.login(function(response) {
     if (response.authResponse) {
       console.log('Welcome!  Fetching your information.... ');
       FB.api('/me', function(response) {
       console.log('Good to see you, ' + response.name + '.');
       });
     } else {
       console.log('User cancelled login or did not fully authorize.');
     }
   });
  });
  