simpleserver.js

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

// Connection URL
var url = 'mongodb://localhost:27017/anupama';
// Use connect method to connect to the Server
MongoClient.connect(url, function(err, db) {
    assert.equal(err, null);
    console.log("Connected correctly to server");
    var collection = db.collection("dishes");
    collection.insertOne({ name: "Uthapizza", description: "test" }, function(err, result) {
        assert.equal(err, null);
        console.log("After Insert:");
        console.log(result.ops);
        collection.find({}).toArray(function(err, docs) {
            assert.equal(err, null);
            console.log("Found:");
            console.log(docs);
            db.dropCollection("dishes", function(err, result) {
                assert.equal(err, null);
                db.close();
            });
        });
    });
});