storesger.blogg.se - Express server

The most common use for Node.js is writing Web applications, and a large percentage of these web applications today are using Express.js as their server framework. Watch: What Is the Express Node.js Framework? Express.js overview pem required files to make your server works, please read this article.Understand core concepts of the Express server Node.js framework, including how it helps create web applications. In this way you'll access localhost in secure mode using Express navigating to If you want to know how to create the. Var httpsServer = https.createServer(credentials, app) Res.send('My first express http server') Īpp.get('/welcome', function (req, res) on the request to root (localhost:3000/) To create your first http server with express, create a js file with the name server.js and add the following code on it: // Require express and create an instance of it The Express philosophy is to provide small, robust tooling for HTTP servers, making it a great solution for single page applications, web sites, hybrids, or public HTTP APIs.

HTTP request argument to the middleware function, called "req" by convention.

HTTP response argument to the middleware function, called "res" by convention.

Callback argument to the middleware function, called "next" by convention.

Path (route) for which the middleware function applies.

HTTP method for which the middleware function applies.

Now you'll be able to require the express module in your javascript files.

You can execute it with the -save parameter to include it in the package.json in case you have one. RequirementĪdd Express as a dependency in your project, to add it use the following command in the Node.js command prompt: npm install express In this article you'll learn how to create a http server using Express and other basics that you need to know about it. Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.