how to connect to mongo db code example

Example 1: mongodb local connection string

mongodb://localhost:27017/mydbname

Example 2: connect to mongo database

mongoose.connect(mongoURI);

Example 3: can we replace a mongouri string with localhost

mongodb://mongodb0.example.com:27017

Example 4: connect to mongodb

npm install mongodb --save

Example 5: connect to mongodb

const MongoClient = require('mongodb').MongoClient