<button id="fb-login">Проверить друзей на спам от WeHeartPics</button>
<div id="test"></div>
<div id="uids"></div>
<script>

 function data_fetch_postproc() {
     document.getElementById('test').innerHTML = 'Закончено';
 }

 var in_queue = 0;
 var max_queue = 10;

 function get_user_feed(friendArray) {
         in_queue++;
         var friend = friendArray.shift();
         document.getElementById('test').innerHTML = friendArray.length + " friends to go ... ";
         if (friend === undefined) { data_fetch_postproc(); return; }

         FB.api('/' + friend.id + '/feed', function (response2) {
             console.log("friend: ", friend.name, response2);

             if (response2.data)
                 for (var j = 0; j < response2.data.length; j++) {
                     var post = response2.data[j];
                     if (post.application && post.application.id === "205868409437437" && post.to) {
                         document.getElementById('uids').innerHTML += '<a href="' + post.actions[0].link + '">От ' + post.from.name + ' к ' + post.to.data[0].name + '<br/>';
                     }
                 }
             else
                console.error(response2);

             in_queue--;
             while (in_queue < max_queue)
               get_user_feed(friendArray);
         });

 }

 function get_friend_likes() {
     document.getElementById('test').innerHTML = "Получаем список друзей в Facebook ... ";
     FB.api('/me/friends', function (response) {
         console.log("friends", response);
         get_user_feed(response.data);
     });
 }

 document.getElementById('fb-login').onclick = function () {
     var cb = function (response) {
         Log.info('FB.login callback', response);
         if (response.status === 'connected') {
             Log.info('User logged in');
             get_friend_likes();
         } else {
             Log.info('User is logged out');
         }
     };
     FB.login(cb, { scope: 'read_stream' });
 };
</script>