Iterate over data and change keys

changes_keys_example.js

Template.usersIndex.helpers({
  items: function() {
    var users = Meteor.users.find({}).fetch();
    _(users).forEach().forEach(function(num) { console.log(num); }).join(',');
    var items = users.filter(function(user) {
      return user;
    }).map(function(user){
      return {
        name: user.profile.name,
        description: user.emails[0].address,
        tidbit: "hello"
      };
    });
    return items
  }
});