1const { MongoClient } = require("mongodb");
2// Replace the uri string with your MongoDB deployment's connection string.
3const uri =
4  "mongodb+srv://<user>:<password>@<cluster-url>?writeConcern=majority";
5const client = new MongoClient(uri);
6async function run() {
7  try {
8    await client.connect();
9    const database = client.db("sample_mflix");
10    const movies = database.collection("movies");
11    // create an array of documents to insert
12    const docs = [
13      { name: "Red", town: "Kanto" },
14      { name: "Blue", town: "Kanto" },
15      { name: "Leon", town: "Galar" }
16    ];
17    // this option prevents additional documents from being inserted if one fails
18    const options = { ordered: true };
19    const result = await movies.insertMany(docs, options);
20    console.log(`${result.insertedCount} documents were inserted`);
21  } finally {
22    await client.close();
23  }
24}
25run().catch(console.dir);

1var MongoClient = require('mongodb').MongoClient;
2var url = 'mongodb://localhost:27017/test';
3var data1={
4    name:'Data1',
5    work:'student',
6    No:4355453,
7    Date_of_birth:new Date(1996,10,17)
8};
9
10var data2={
11    name:'Data2',
12    work:'student',
13    No:4355453,
14    Date_of_birth:new Date(1996,10,17)
15};
16
17MongoClient.connect(url, function(err, db) {
18    if(err!=null){
19        return console.log(err.message)
20    }
21
22    //insertOne
23    db.collection("App").insertOne(data1,function (err,data) {
24
25        if(err!=null){
26            return console.log(err);
27        }
28        console.log(data.ops[0]);
29    });
30
31    //insertMany
32
33var Data=[data1,data2];
34
35db.collection("App").insertMany(Data,forceServerObjectId=true,function (err,data) {
36
37        if(err!=null){
38            return console.log(err);
39        }
40        console.log(data.ops);
41    });
42    db.close();
43});