Get array based on condition

gistfile1.txt

var users = [
  { 'id': '123', 'name': 'giang' },
  { 'id': '456', 'name': 'nguyen' },
  { 'id': '789', 'name': 'nguyen' }
];

var filters = _.filter(users, function(user) {
    return user.name === 'nguyen';
});

var ids = _.map(filters, 'id');
console.log(ids)

//show ["456", "789"]