Node.js, MongoDB, and AngularJS Web Development

Getting Started with Express

It is very simple to get started using Express in Node.js projects. All you need to do is add the express module, using the following command from the root of your project:

npm install express@4.0.0

You can also add express to your package.json module to ensure that express is installed when you deploy your application.

Once you have installed the express module, you need to create an instance of the express class to act as the HTTP server for your Node.js application. The following lines of code import the express module and create an instance of express that you can use:

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