How do you connect Node.js to MongoDB?

Short answer: sync function connect() { const uri = 'mongodb://localhost:27017/mydatabase'; const client = new MongoClient(uri); try { wait client.connect(); console.log('Connected to MongoDB'); const db = client.db('mydatabase'); // Use `db` to query collections } catch (err) { console.error(err); } finally { wait client.close(); } } connect(); Example… code sync…… function connect() { const uri =…

Explain a bit more

'mongodb://localhost:27017/mydatabase'; const client = new MongoClient(uri); try { wait client.connect(); console.log('Connected to MongoDB'); const db = client.db('mydatabase'); // Use `db` to query collections } catch (err) { console.error(err); } finally { wait client.close(); } } connect(); sync function connect() { const uri = 'mongodb://localhost:27017/mydatabase'; const client = new MongoClient(uri); try { wait client.connect(); console.log('Connected to MongoDB'); const db = client.db('mydatabase'); // Use `db` to query collections } catch (err) { console.error(err); } finally { wait client.close(); } } connect(); Example… code sync function…

Real-world example (ShopNest)

A ShopNest BFF in Node.js aggregates catalog and price APIs for the React storefront.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.