Express.js - create new project

In this article, we would like to show you how to create new project for Express.js.

Prerequirements:

• installed Node.js on used computer
  Installation instruction:
  • official installator under Windows

  • selected node version installation under Windows

  • selected node version installation under Debian / Ubuntu

Simple steps:

1. create new directory,
2. open terminal and go to the diretory,
3. create package.json file using the command:
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   npm init -y

   Note: -y flag makes default values using, so we won't need to answer any questions.

4. install express package using the command:
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   npm i express
5. create index.js file inside the directory and use source code:
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   const express = require('express');  // imports Express.js module

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   ​

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   const app = express();               // initializes application

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   ​

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   app.listen(5000);                    // runs server on specified port
6. run index.js fil using the command:
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   node index.js
7. open the link http://localhost:5000 in a web browser.

Screenshot:

1. Node.js / Express.js - AJAX GET request

2. Node.js / Express.js - AJAX POST request

3. Node.js / Express.js - AJAX DELETE request

4. Node.js / Express.js - AJAX PUT request

5. Node.js / Express.js - AJAX PATCH request