connecting nodejs using mongoose

1. Install Mongoose using npm:

npm install mongoose

1. Require Mongoose in your Node.js application:

const mongoose = require('mongoose');

1. Connect to the MongoDB database using Mongoose:

mongoose.connect('mongodb://localhost:27017/yourDatabaseName', { useNewUrlParser: true, useUnifiedTopology: true });

1. Handling the connection's success and error events:

const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', function () {
  // Connected successfully
});