nativemongo.js

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

// Connection URL
var url = 'mongodb://localhost:27017/myproject';
// Use connect method to connect to the Server
MongoClient.connect(url, function(err, db) {

console.log("Connected correctly to server");

db.createCollection("gevsek");

db.collection("gevsek").insert({"key1":"val1"}, function(err) {
  console.log("data inserted");
})

db.collection("gevsek").insert({"key2":"val2"}, function(err) {
  console.log("data inserted");
})

db.collection("gevsek").insert({"key3":"val3"}, function(err) {
  console.log("data inserted");
})

db.collection("gevsek").find({}).toArray(function(err, gevseks) {
  console.log(gevseks);
})

db.close();
});