navjotdhanawat

var user = [{
    username  : "navjot",
    firstname : "Navjot",
    lastname : "Dhanawat"
},{
    username  : "vitthal",
    firstname : "Vitthal",
    lastname : "Hajare"
},{
    username  : "shiva",

navjotdhanawat

var AWS = require('aws-sdk');
AWS.config.update({ region: 'us-east-1' });
var s3 = new AWS.S3();

var obj = {
    firstname: "Navjot",
    lastname: "Dhanawat"
};

var buf = Buffer.from(JSON.stringify(obj));