Node.js Mongodb integration Connect to MongoDB
Example
Connect to MongoDB, print 'Connected!' and close the connection.
const MongoClient = require('mongodb').MongoClient;
var url = 'mongodb://localhost:27017/test';
MongoClient.connect(url, function(err, db) { // MongoClient method 'connect'
if (err) throw new Error(err);
console.log("Connected!");
db.close(); // Don't forget to close the connection when you are done
});
MongoClient method Connect()
MongoClient.connect(url, options, callback)
| Argument | Type | Description |
|---|---|---|
url | string | A string specifying the server ip/hostname, port and database |
options | object | (optional) Optional settings (default: null) |
callback | Function | Function to be called when the connection attempt is done |
The callback function takes two arguments
err: Error - If an error occurs theerrargument will be defineddb: object - The MongoDB instance
