List all the items in a remote mongodb database

index.js

var MongoClient = require('mongodb').MongoClient;

function get(callback) {
  MongoClient.connect('DBURL', function(err, db) {
    
      var collection = db.collection('users');
        var cursor = collection.find({});
        cursor.each(function(a,b) {
          console.log('response:', a, b);
        });
      });
}
get(function() {
  console.log('hey');
});