Delete a document with the property { greetings: 'Whut?' }

const MongoClient = require('mongodb').MongoClient;

const url = 'mongodb://localhost:27017/test';

MongoClient.connect(url, function (err, db) {
    if (err) throw new Error(err);
    db.collection('myCollection').deleteOne(// Delete method 'deleteOne'
        { greetings: "Whut?" },
        function (err, result) {
            if (err) throw new Error(err);
            db.close(); // Don't forget to close the connection when you are done
    });
});

Collection method deleteOne()

db.collection(collection).deleteOne(filter, options, callback)

Parameter| Type |Description| —— | — |—— |filter | object| A document specifying the selection criteraoptions | object | (optional) Optional settings (default: null)callback | Function | Function to be called when the operation is done

The callback function takes two arguments

• err : Error - If an error occurs the err argument will be defined
• db : object - The MongoDB instance