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However, for everything to work properly, you need to create the output file: app.js in the src. directory in the backend folder. This is how the src/app.js file should look like: import express from 'express' import bodyParser from 'body-parser' import cors from 'cors' // ...
// ES6 syntax import express from 'express' import cors from 'cors'; Now create an express application by adding the following code in the index.js file: js Copy const app = express(); We need to introduce a middleware, so our server recognizes the incoming request objects as JSON object...
with ES6 Imports: import express from 'express' const app = express() // respond with "hello world" when a GET request is made to the homepage app.get('/', function (req, res) { res.send('hello world') }) app.listen(3000, () => console.log('Example app listening on port 3000...
Understanding ES6: Modules Adding a Stylesheet This project setup uses Webpack for handling all assets. Webpack offers a custom way of “extending” the concept of import beyond JavaScript. To express that a JavaScript file depends on a CSS file, you need to import the CSS from the JavaScript...
We will do this using theReact-router-dompackage we installed.Inmain.jsx, make the following changes to allow for routing in the application: import { BrowserRouter } from "react-router-dom"; ReactDOM.createRoot(document.getElementById('root')).render( ...
Create a new Node.js project in an empty folder: mkdir IP-Geocd IP-geo npm init -y npm i express Since we are using ES6, go to package.json file and add "type": "module" . The result should look something like this: {"name":"ip-geo","version":"1.0.0","description":"","...
You will need sufficient knowledge of JavaScript, especially ES6+ syntax, such asdestructuring, rest operators, andimports/exports. If you need more information on these topics, reading ourHow To Code in JavaScript seriesis recommended. This tutorial will reference aspects of text editors that suppor...
The code generated byexpress-generatoris inES5, but in this article, we will be writing all our code inES6syntax. So, let’s convert our existing code toES6. Replace the content ofroutes/index.jswith the below code: importexpressfrom'express';constindexRouter=express.Router();indexRouter.g...
To import this module, we'd use the ES6importfunctionality, as follows. // library.js// import the book moduleimport{favoriteBook, Book}from'book';// create some books and get their descriptionsletbooksILike = [newBook("Under The Dome","Steven King"),newBook("Julius Ceasar","William Sh...