now-iter.js

everyone.now.joinChat = function () {
  this.now.inChat = true;
  var userlist = [];
  everyone.now.iterate(function (user) {
    if (user.now.inChat) {
      userlist.push(userId(user));
    }
  });
  this.now.receiveUsers(userlist);
  everyone.now.broadcastJoin(this);
}

everyone.now.iterate = function (callback) {
  callback(this);
}