How to run node.js application on localhost server?

How to Run NodeJs Application?

Install NodeJs

File Name :

Download and install node.Js

check node is install or not

File Name :

C:\Users\hp>node --version OR node --v

C:\Users\hp>npm --version OR npm --v

install ExpressJs

File Name :

create your node project

c:\> mkdir mynode

c:\> cd mynode

c:\mynode> npm install express
########## OR ###########
npm install express --save

npm install body-parser --save

npm install cookie-parser --save

npm install multer --save

create myapp.js

File Name : myapp.js

const express = require('express')
const app = express()
app.get('/', function (req, res) {
res.send('Hello Sana Mahtab')
})
app.listen(3000)

Open command prompt OR terminal in VS Code

C:\mynode> node myapp.js

open browser :- http://localhost:3000/

Hello Sana Mahtab

Example

File Name : myapp.js

const express = require('express')
const app = express()
console.log("Hi Mahira Mahtab")
app.get('/', function (req, res) {

res.send('Hello Sana')

})
app.listen(3000)

Run :-

File Name :

C:\mynode> node myapp.js

open browser and type the URL :- localhost:3000

See the result on browser :- Hello Sana

How to stop server :-

C:\mynode> node myapp.js

To stop the server from running, you simply press Ctrl+C.

clean up everything and shut down properly. To debug, just add the debug flag before the name of your program:
node debug app.js

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