Delete a document
suggest changeDelete 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 defineddb
: object - The MongoDB instance
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