Using Faker.js to add or display fake data into your web app or you can use it if you don't have Database but you want data to display in web app.

faker.js

//you have to install two dependency "npm install express" and "npm install faker"

var express = require('express');
var faker = require('faker');

var app = express();

app.get('/', function(req, res){
	//res.render('index.ejs');
	res.json({
		firstName: faker.name.firstName(),
		lastName: faker.name.lastName(),
		email: faker.internet.email(),
		phone: faker.phone.phoneNumberFormat(),
		city: faker.address.city(),
		country: faker.address.country(),
		company: faker.company.companyName()
	})
});

app.listen(3000, function(){
	console.log('3000');
});