Insert array into a Mongo collection

insertArray.js

var MongoClient = require("mongodb").MongoClient;

var url = "mongodb://localhost:27017/yourMongoDB";
var data  = require("./dataFile.json");

MongoClient.connect(url, function(err, db){

  if(err){
    console.log(err);
  } else {
    db.collection('yourCollection').insertMany(data).then(() => {
      console.log("inserted!");
      db.close();
    }).catch(error => {
      console.log("this error occured: ", error);
    });   
  }
});