mongodb://localhost:27017/mydbname

// Import the required MongoDB driver
const MongoClient = require('mongodb').MongoClient;
// Connection URL for the local MongoDB instance
const url = 'mongodb://localhost:27017';
// Creating a new MongoClient instance
const client = new MongoClient(url, { useNewUrlParser: true });
// Connect to the MongoDB server
client.connect(function(err) { if (err) { console.error('Error connecting to MongoDB:', err); return; } console.log('Connected successfully to MongoDB'); // Perform further operations on the database // Close the connection when done client.close();
});