how to setup node server code example

Example 1: setup node js express basic setup

npm init -y
npm i express

Example 2: how to create a server in node js

// code by VARSHITH REDDY SATTI
// to create a server in node.js you should.
var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.write("write html code to display you test")
  res.end();
}).listen(8080);
// save this as httpServer.js
// run this by typing node httpServer.js in the command line
// to acess your server got to http://localhost:8080

Example 3: create node project

#1. server.js
var express = require('express');
var app = express();

app.get('/', function (req, res) {
  res.status(200).send('Hello World!');
});

var port = process.env.PORT || 3000;

var server = app.listen(port, function() {
  console.log('Express server listening on port ' + port);
});

open cmd run server.js
"node server.js"
log:Express server listening on port 3000

& then

open link "http://localhost:3000/" in your browser and show result.

Example 4: create node js server

import express from 'express';
const server = express();

const port = 8080;

server.get('/', (req, res) => {
  return res.send('Hello, Express.js!');
})

server.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});