ExpressJS Installation

Syntax

To install ExpressJS, open your terminal and type:

npm install express

Example

$ npm install express

Output

+ express@4.17.1
added 50 packages from 38 contributors and audited 50 packages in 1.675s
found 0 vulnerabilities

Explanation

ExpressJS is a popular web framework for Node.js that allows developers to create robust web applications. To install ExpressJS, you need to have Node.js and npm (Node Package Manager) installed on your computer. Once you have Node.js and npm installed, you can open your terminal and type the command:

npm install express

This will install the latest version of ExpressJS and its dependencies.

Use

After installing ExpressJS, you can start using its features in your Node.js project by requiring it in your code:

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

You can then use app to create web routes, handle HTTP requests, and more.

Important Points

• ExpressJS requires Node.js and npm to be installed on your computer.
• The npm install command installs the latest version of ExpressJS and its dependencies.
• You can require ExpressJS in your code using const express = require('express').
• ExpressJS provides a variety of features to help you create robust web applications.

Summary

In this tutorial, we learned how to install ExpressJS using npm. ExpressJS is a popular web framework for Node.js that allows developers to create robust web applications. After installing ExpressJS, you can start using its features in your Node.js project by requiring it in your code.