demo_update_multi.js:
var MongoClient = require('mongodb').MongoClient; var url = "mongodb://localhost:27017/mydb"; MongoClient.connect(url, function(err, db) { if (err) throw err; var myquery = { address: /^S/ }; var newvalues = {$set: {name: "Minnie"} }; var myoptions = { multi: true }; db.collection("customers").update(myquery, newvalues, myoptions, function(err, res) { if (err) throw err; console.log(res.result.nModified + " record(s) updated"); db.close(); }); });
C:\Users\My Name>node demo_update_multi.js
2 record(s) updated