express js basic example
//to run : node filename.js
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}`))
//visit localhost:3000
// assuming you have done 1) npm init 2) npm install expressrequire express server.js
const express = require('express')const app = express() app.get('/', function (req, res) { res.send('Hello World')}) app.listen(3000)create express server local
// create directory
//npm init -y
//npm i express --save
//create public directory
//create server.js
// <---- In the server js file --->
'use strict';
const express = require('express');
const app = express();
app.use(express.static('public'));// to connect with frontend html
app.use(express.json());//body parse
app.get('/', function(req,res){
res.send('This is the Homepage');
//res.sendFile('index.html');
});
app.listen(3000);Copyright © 2021 Codeinu
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