/Javascript/Express/Simple express server

Simple express server

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 express

Require express server.js

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

Source: npmjs.com

Sample express app

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}`))

Source: expressjs.com

Express Server

const express = require("express")

const app = express()

app.listen(5000, () => {
	console.log("Server has started!")
})

Source: rahmanfadhil.com

Simple express server

const express = require('express');
const app = express();
const mongoose = require('mongoose');
const bodyParser = require('body-parser');

app.use(bodyParser.json());
const PORT = process.env.PORT || 3000;

app.use(bodyParser.json());

//connecting to db
try {
    mongoose.connect('mongodb://localhost/YOUR_DB_NAME', {
        useNewUrlParser: true,
        useUnifiedTopology: true,
      	useCreateIndex: true,
      }, () =>
      console.log("connected"));
  } catch (error) {
    console.log("could not connect");
  }

app.get('/', (req, res) => {
  res.send('<h1>Some HTML</h1>');
  res.send('<p>Even more HTML</p>');
});



app.listen(PORT, () => console.log(`Server is listening on port ${PORT}`));

Js express server

const http = require('http')
const express = require('express')

const app = express()
const server = http.Server(app)
app.set('port', 8888)
server.listen(8888)

app.get('/', (req, res) => {
  res.json({teste: true})
})

Similar codes

10 votes303 views6 answers
Express cookieparser
Javascript Express
62 votes353 views3 answers
Express js basic example
Javascript Express
10 votes275 views1 answer
View engine setup express
Javascript Express
17 votes297 views3 answers
Express public folder
Javascript Express
1 vote260 views1 answer
Accept Post with no midleWare express
Javascript Express
6 votes254 views2 answers
How to access the request body when POSTing using Node.js and Express
Javascript Express
0 vote284 views1 answer
Express Router()
Javascript Express
0 vote278 views1 answer
Express orm
Javascript Express
0 vote297 views1 answer
Expressjs cors blocked mixed-content
Javascript Express
0 vote254 views1 answer
Express add delay
Javascript Express