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In this video we will dive into the Express JS framework for Node.js. You will learn to build a REST API with Node js & Express in just 10 minutes. #express #nodejs #web #expressjs #rest #nodejs #webdevelopment #javascript #programming #coding #codingclass #code #java #expresstutorial #nodetutorial #codewithsumit #sumit__suthar Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js official link https://nodejs.org/en/ Expressjs official link https://expressjs.com/ npmjs official link https://www.npmjs.com/package/express Following is the command to install express. npm install express --save Express is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web and mobile applications. It facilitates the rapid development of Node based Web applications. Routing methods specify a callback function (sometimes called “handler functions”) called when the application receives a request to the specified route (endpoint) and HTTP method. In other words, the application “listens” for requests that match the specified route(s) and method(s), and when it detects a match, it calls the specified callback function. The req object represents the HTTP request and has properties for the request query string, parameters, body, HTTP headers, and so on. In this documentation and by convention, the object is always referred to as req (and the HTTP response is res) but its actual name is determined by the parameters to the callback function in which you’re working. The res object represents the HTTP response that an Express app sends when it gets an HTTP request. In this documentation and by convention, the object is always referred to as res (and the HTTP request is req) but its actual name is determined by the parameters to the callback function in which you’re working. res.send() method performs many useful tasks for simple non-streaming responses: For example, it automatically assigns the Content-Length HTTP response header field (unless previously defined) and provides automatic HEAD and HTTP cache freshness support. req.params This property is an object containing properties mapped to the named route “parameters”. For example, if you have the route /user/:name, then the “name” property is available as req.params.name. This object defaults to {}. req.query This property is an object containing a property for each query string parameter in the route. When query parser is set to disabled, it is an empty object {}, otherwise it is the result of the configured query parser. All npm packages contain a file, usually in the project root, called package.json - this file holds various metadata relevant to the project. This file is used to give information to npm that allows it to identify the project as well as handle the project's dependencies node express-generator tutorial, express-generator tutorial, express node js tutorial, express-generator tutorial 2020, express node js mongodb, express node js rest api, express node js tutorial for beginners, express node tutorial, express node mysql, express node js project, express node js mysql, express nodemon, express-generator crash course, express-generator project, express-generator api, expressjs tutorial for beginners, node express, node express mongodb tutorial, node express mysql, node express api Node express project, express js explained node express, node express typescript, node express rest api, express js crash course, express js project, express js api, expressjs tutorial for beginners, express js mongodb insert, node express react, express js api, express js app, express js api tutorial, express js advanced, express js and mongodb tutorial, express js tutorial youtube, tutorial express js, express js mongodb, , express js mysql, express js routing, express js full course, express js routes tutorial, express js route params, express js routes in separate file, express js router example, express js route with parameter, express js mongodb crud, express js mongodb express js mongoose example, express js mongoose, express js mongoose tutorial, express js database tutorial, express js database. node express js tutorial, express js tutorial, express node js tutorial, express js tutorial 2020, express node js mongodb, express node js rest api, express node js tutorial for beginners, express node tutorial, express node mysql, express node js project, express node js mysql, express nodemon, express js crash course, express js project, express js api, expressjs tutorial for beginners, node express, node express mongodb tutorial, node express mysql, node express api
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