/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

55 votes273 views2 answers
Express url redirect
Javascript Express
0 vote151 views3 answers
How to serve React JS static files with express JS?
Javascript Express
1 vote156 views2 answers
Express multer
Javascript Express
9 votes176 views6 answers
Express bodyparser
Javascript Express
0 vote165 views1 answer
Remove .html from url express js
Javascript Express
1 vote112 views1 answer
Express js post endpoint
Javascript Express
1 vote154 views2 answers
Connecting mongoose with express js
Javascript Express
1 vote142 views2 answers
Nodejs express server img src
Javascript Express
30 votes164 views6 answers
Express bodyparser deprecated
Javascript Express
0 vote161 views1 answer
What is const express = require('express')
Javascript Express