foo.js

;zappa.run(function () {
        connect();
        at({
          welcome: function() {
            alert('Welcome!');
            return $('#player').html("Player: " + this.players);
          }
        });
        at({
          'player-limit': function() {
            alert('I am sorry we reached the number of players');
            return $('#player').html("Player: " + this.players);
          }
        });
        return $().ready(function() {
          return emit('join');
        });
      });