Answers for "express in node js"

51

express.js server

/* ====== create node.js server with express.js framework ====== */
// dependencies
const express = require("express");

const app = express();

app.get("/", (req, res) => {
   res.send("This is home page.");
});

app.post("/", (req, res) => {
   res.send("This is home page with post request.");
});

// PORT
const PORT = 3000;

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


// ======== Instructions ========
// save this as index.js
// you have to download and install node.js on your machine
// open terminal or command prompt
// type node index.js
// find your server at http://localhost:3000
Posted by: Guest on January-13-2021
46

express js 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
Posted by: Guest on July-17-2020
3

expressjs

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}`)
})
Posted by: Guest on February-28-2021
11

express js

$ npm install express --no-save
Posted by: Guest on April-20-2020
14

node js express

basic server

const express =require('express');
const app = express();
const PORT = 5000;


app.get('/',(req,res)=>{
   res.json({message: 'Welcome to the backend'})
})


app.listen(PORT ,()=>console.log(`Connected to ${PORT}`)
Posted by: Guest on April-02-2020
0

express in node js

$ npm init --y //add the package.json file

$ npm install express --no-save

const express = require('express')
const app = express()

//cors to fix cors origin, body-parser to fix the post value on the server
const cors = require('cors');
const bodyParser = require('body-parser');
app.use(cors());
app.use(bodyParser.json());

const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

router.get('/admin/:id?', (req, res) => {
  let id = req.params.id;
}

app.post('/admin', (req, res) => {
  const user = req.body.user;
  res.send('Hello World!', user)
})

app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`)
})
Posted by: Guest on August-28-2021

Code answers related to "Javascript"

Browse Popular Code Answers by Language