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

var url = "mongodb://localhost:27017/";

​

MongoClient.connect(url, function(err, db) {

  if (err) throw err;

  var dbo = db.db("mydb");

  var myquery = { address: "Valley 345" };

  var newvalues = {$set: {address: "Canyon 123"} };

  dbo.collection("customers").updateOne(myquery, newvalues, function(err, res) {

    if (err) throw err;

    console.log("1 document updated");

    db.close();

  });

});

​