Installing Express JS
Step 1: Create a project directory:
- Open your terminal or command prompt.
- Navigate to your desired workspace using the cd command.
- Create a new directory for your project:
mkdir express-app
- Change into the newly created directory:
cd express-app
Step 2: Initialize a package.json file:
- Run below to create a basic package.json file to manage your project’s dependencies.
npm init -y
Step 3: Install Express:
- Install Express as a dependency using npm:
npm install express
Getting Started with Express JS
Express JS is a versatile, minimalist web framework for NodeJS that simplifies the development of back-end applications and APIs for web and mobile applications. Its flexibility and powerful features enable you to create robust and scalable web projects with minimal code, making it a popular choice among developers. Express is released as free and open-source software under the MIT License.
Table of Content
- Installing Express JS
- Running a simple web server in Express JS
- Adding Routes for Handling request in Express JS
- Adding Parameters to Routes in Express JS
- Modularizing Routes with Express Router:
- Adding Middleware for Processing Requests in Express JS
- Adding Error Handling Middleware in Express JS