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 expresshow to make an express server
// this is your code
// ZDev1#4511 on discord if you want more help!
// first you should install express in the terminal
// `npm i express`.
const express = require('express');
const app = express();
// route
app.get('/', (req,res)=>{
// Sending This is the home page! in the page
res.send('This is the home page!');
});
// Listening to the port
let PORT = 3000;
app.listen(PORT)
// FINISH!require express server.js
const express = require('express')const app = express() app.get('/', function (req, res) { res.send('Hello World')}) app.listen(3000)javascript express setting up a server
There are several steps for setting up a basic Express Server:
1. Run npm init -y
2. Install your dependencies (express)
3. Create a .gitignore file
4. Add node_modules to your .gitignore
5. Create the server directory
6. Create your index file
7. Require your dependencies
8. Declare your app variable
9. Declare your listen port
10. invoke the listen method and add a console log to the callback
11. run nodemon server/index.js in your terminal
12. successCopyright © 2021 Codeinu
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