Express Js Simple Server Boilerplate for Hello World Website

Express JS is a framework used by node js to build powerful Fullstack applications. Here is how to setup for the most simplest and most easy Express js app.

Step 1:

Install node js  and run the below command

Step 2:

npm install express

Step 3:

create a file called app.js and paste these lines of code inside of it.

const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => {
  res.send('Hello World!')
})
app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`)
})

finally run the below command to start your app.

Here is a Fullstack mern stack application built using node express js

node app.js

Once you run the above command on your CLI, you will now be able to open http://localhost:3000/ and you will see a nice working application.