{"id":8000,"date":"2020-11-10T23:23:01","date_gmt":"2020-11-11T07:23:01","guid":{"rendered":"https:\/\/careerkarma.com\/blog\/?p=8000"},"modified":"2022-07-20T08:43:59","modified_gmt":"2022-07-20T15:43:59","slug":"what-is-express-js","status":"publish","type":"post","link":"https:\/\/careerkarma.com\/blog\/what-is-express-js\/","title":{"rendered":"Express.js: Courses, Training, and Other Resources"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">How to Learn Express.js<\/h2>\n\n\n\n<p>If you\u2019ve done any work with Node.js, or any server-side programming in general, you\u2019ve probably heard of Express.js. Express.js is used widely by companies like Fox Sports, IBM, and even Uber. We\u2019re here to help you understand what it is, why it\u2019s useful, and whether or not you should learn it.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Express.js?<\/strong><\/h2>\n\n\n\n<p>Express.js is a framework designed to utilize Node.js specifically for running web servers. It takes out the effort of having to code complex server-side integrations for Node.js.<\/p>\n\n\n\n<p>Express.js kind of like a server in a box for JavaScript; it helps you easily use templating solutions and organize your application\u2019s routing with readable and well-organized code.<\/p>\n\n\n\n<p>The only problem with Node.js is, that while it\u2019s very useful for setting up servers, it wasn\u2019t designed specifically for that application. That\u2019s where Express.js comes in.<\/p>\n\n\n\n<p>Express.js comes with a number of built-in features that work well in the server environment. These benefits include:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Faster server-side programming<\/strong>: Express.js takes a number of commonly used Node.js features and packages them into functions. These functions can be called anywhere in the program. This can save coders hundreds of lines of code by just calling these functions instead of having to write them.<\/li><li><strong>Routing: <\/strong>Node.js has a routing mechanism already, but it\u2019s a little rudimentary. Express.js features a significantly more advanced and efficient routing mechanism that allows the web application to keep web page states through just their URLs.<\/li><li><strong>Templating<\/strong>: Express.js also features a templating engine. This lets the server-side build the webpage on its end, then send all of those values to the front end to display. This allows for dynamic content and reduces the load on the client-side.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What is Express.js Used For?<\/h2>\n\n\n\n<p>Express.js is a web framework that helps you organize your back-end architecture. You&#8217;ll see web developers use Express.js to implement a Model View Controller architecture. This allows a developer to write a back-end codebase that is easy to maintain.<\/p>\n\n\n\n<p>Because Express.js operates on the back-end, you can think of it as a technology that is the &#8220;brains behind a website.&#8221; Express.js may, for instance, define how pages are routed on a website. Or a developer may use Express.js to manage authentcation on a site.<\/p>\n\n\n\n<p>Here are some of the use cases of Express.js:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Using cookies on a website<\/li><li>Implementing authentication<\/li><li>Adding a search bar to a site<\/li><li>Serving static files like images<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Learning Express.js<\/h2>\n\n\n\n<p>Express.js is a useful technology to know if you&#8217;re interested in web development. Not only will knowing Express.js help you write cleaner back-end code, but it will also help advance your career prospects.<\/p>\n\n\n\n<p>Below we will guide you through the process of learning Express.js.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How Long Does it Take to Learn Express.js?<\/h3>\n\n\n\n<p>It will take you a few days to a week to learn the basics of Express.js. This is assuming you have some experience of working with JavaScript. If you want to learn more advanced topics, expect to spend at least a month or two learning.<\/p>\n\n\n\n<p>Because Express.js is a back-end technology, you&#8217;ll need a good understanding of how the back-end and front-end work together to get started. If you do not have this background, expect to spend even longer learning the basics of Express.js. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How to Learn Express.js: Step-by-Step<\/h3>\n\n\n\n<p>There is no specific way in which you should learn Express.js. Every coder is different and has different intentions for learning a new technology. But, there are a few common steps you can follow to take you from a newbie to an expert efficiently.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>Learn the basics of JavaScript<\/strong>. Express.js is a JavaScript framework. You&#8217;ll not be able to build an application using Express.js until you build a few web applications with JavaScript and develop a keen understanding of its syntax.<\/li><li><strong>Learn about back-end and front-end development<\/strong>. Spend some time learning about the front-end and back-end and their roles in a web application. This is crucial because Express.js is a back-end tool. You&#8217;ll need to know the role of a back-end framework to use Express.js.<\/li><li><strong>Practice your Express.js skills<\/strong>. Open up the Express.js documentation and start practicing Express.js. Follow any tutorials you find interesting and devote your time to mastering the basics of Express.js.<\/li><li><strong>Build a project<\/strong>. Building a project will help you reinforce your technical skills. Think of a web application that you want to build and work to bring it to fruition using Next.js.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">The Best Express.js Courses<\/h2>\n\n\n\n<p>Companies like IBM, FOX Sports, and Uber rely on Express.js. With that in mind, as well as the size of the developer community, it&#8217;s no surprise there are tons of Express.js resources available.<\/p>\n\n\n\n<p>While this means you have a lot of options, you may be asking yourself: which learning resources are worth my time? Below we talk about some of the best online Express.js courses to help refine your search.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Online Express.js Courses<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/www.udemy.com\/course\/expressjs-fundamentals\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">ExpressJS Fundamentals by Patrick Schroeder<\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Provider: Udemy<\/li><li>Cost: Free<\/li><li>Audience: Beginners<\/li><\/ul>\n\n\n\n<p>ExpressJS Fundamentals teaches you how to create an Express.js server. You&#8217;ll learn about server-side applications, using middleware, configuring template engines, and working with routes. These are all essential pieces of knowledge to have when working with Express.js.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/www.lynda.com\/Node-js-tutorials\/Building-Website-Node-js-Express-js\/2255009-2.html\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Building a Website with Node.js and Express.js<\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Provider: Lynda<\/li><li>Cost: Lynda membership ($25 \/ month)<\/li><li>Audience: Beginners<\/li><\/ul>\n\n\n\n<p>This course is for beginners to Node.js and Express.js who want to build websites using these frameworks. You&#8217;ll learn how to create a basic Express.js application that uses multiple routes and templates. You&#8217;ll also learn how to handle POST requests and form data.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/www.codecademy.com\/learn\/learn-express\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Learn Express by Codecademy<\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\"><li>Provider: Codecademy<\/li><li>Cost: Pro membership ($16 \/ month)<\/li><li>Audience: Beginners<\/li><\/ul>\n\n\n\n<p>Learn Express is an interactive course for beginners to Express.js. This course will teach you how to build a server using Express.js. You&#8217;ll learn about application routes, middelware, and more.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Online Express.js Books<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.manning.com\/books\/express-in-action\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Express in Action by Evan M. Hahn<\/a><\/h3>\n\n\n\n<p>Express in Action discusses how to build a web application using Node.js and Express.js. In this book, you&#8217;ll learn the basics of Node.js and Express.js and how to implement middleware and routing in your app. <\/p>\n\n\n\n<p>Toward the end of this book, you&#8217;ll learn about data peristance, application security, and common best practices.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.apress.com\/gb\/book\/9781484200384\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Pro Express.js by Azat Marden<\/a><\/h3>\n\n\n\n<p>Pro Express.js is a quick-start guide to using Express.js. The book starts with a simple hello world and then extensively covers all of the API endpoints you&#8217;ll need to use. You will find exercises alongside the topics this book covers which will help you reinforce your skills.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.amazon.co.uk\/Mastering-Web-Application-Development-Express\/dp\/1783981083\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Mastering Web Application Development with Express<\/a><\/h3>\n\n\n\n<p>This book is a comprehensive guide to creating a web application using Express.js. You&#8217;ll cove topics like using middleware and template engines as well as the basics of the RESTful API architecture. This book is great if you already have some Node.js skills and want to learn Express.js.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Online Express.js Resources<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/expressjs.com\/en\/starter\/installing.html\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Express.js Getting Started Guide<\/a><\/h3>\n\n\n\n<p>On the Express.js website, you&#8217;ll find a getting started guide. This will walk you through installing Express.js and building your first web application. This tutorial is full of code snippets you can use to help you get started coding with Express.js.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/github.com\/expressjs\/express\/tree\/master\/examples\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Express.js Example GitHub Repository<\/a><\/h3>\n\n\n\n<p>The Express.js team maintains a series of examples on how to use Express.js in the main project&#8217;s GitHub repository. You&#8217;ll find examples ranging from a simple hello world website to examples that show authentication and cookies in action.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.youtube.com\/watch?v=G8uL0lFFoN0\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Express.js and Node.js Course for Beginners<\/a><a href=\"https:\/\/www.youtube.com\/watch?v=G8uL0lFFoN0\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\"> by freeCodeCamp<\/a><\/h3>\n\n\n\n<p>Taught by freeCodeCamp, this online video covers the fundamentals of using Express.js. You&#8217;ll learn about Node.js and its role in server-side development. Then you&#8217;ll go on to practice using Express.js.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Express.js vs. Node.js<\/strong><\/h2>\n\n\n\n<p>There isn\u2019t really any competition between Node.js and Express.js. In fact, the first thing to know about Express.js is that in a way Express.js <em>is<\/em> Node.js. Express.js is a framework that runs inside Node.js.&nbsp;<\/p>\n\n\n\n<p>Node.js, if that term is new to you, is a JavaScript runtime. It lets you run JavaScript code outside of your web browser. JavaScript is pretty useful, and you <a href=\"https:\/\/careerkarma.com\/blog\/what-can-i-make-with-javascript\/\">can do a lot of stuff with it<\/a>.<\/p>\n\n\n\n<p>Being able to run JavaScript programs outside of a browser is especially useful when coding server-side backends for web programs in JavaScript. This is because most front end web programming is already written in JavaScript, so letting those programs communicate with a backend that\u2019s also JavaScript makes for better functionality and speed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Express.js Lives in the Stack<\/strong><\/h2>\n\n\n\n<p>Express.js is at its best when implemented in a stack (a stack is all of the code required to run a web application, from the front end user\u2019s interaction all the way back to the backend processes that result from that click). <a href=\"https:\/\/careerkarma.com\/blog\/backend-vs-front-end-development\/\">Front end and back end development<\/a> are usually split, for good reason. However, it usually means that different developers are working on different parts of a puzzle that, in the end, needs to fit together.&nbsp;<\/p>\n\n\n\n<p>Express.js functions powerfully as the second half to JavaScript front end applications, allowing users to create an entire stack that sticks to one language. This is incredibly efficient because when it\u2019s time for the front end devs to connect with backend dev work, there are fewer integration issues. It stands to reason that things will (usually) work out smoother if it\u2019s all coded in the same language.&nbsp;<\/p>\n\n\n\n<p>The two most common of all JavaScript stacks that utilize Express.js are <strong>MEAN<\/strong> stacks and<strong> NERD<\/strong> stacks. Remember, these are just acronyms\u2014please don\u2019t be mean to nerds! The <strong>MEAN<\/strong> stack stands for <strong>M<\/strong>ongoDB (the database), <strong>E<\/strong>xpress.js (the server), <strong>A<\/strong>ngular (the front end framework), and <strong>N<\/strong>ode.js (the runtime environment).&nbsp;<\/p>\n\n\n\n<p>The <strong>NERD<\/strong> stack is very similar. It stands for <strong>N<\/strong>ode.js (the runtime environment; yes they moved it to the front to make the acronym more fun), <strong>E<\/strong>xpress.js (the server), <strong>R<\/strong>eact (the front end framework), and <strong>D<\/strong>atabase (this can be any database really. This is because the industry is moving away from sticking to a specific database <em>and<\/em> it makes the acronym more fun).<\/p>\n\n\n\n<p>Right now the <strong>NERD<\/strong> stack is gaining popularity rapidly, making it the more relevant stack. But for the purposes of this article, both stacks use Express.js, which makes Express.js an attractive framework to learn. Bringing us to our next topic.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why You Should Study Express.js<\/strong><\/h2>\n\n\n\n<p>If you\u2019re going to be coding for web development you\u2019re probably going to learn JavaScript. Almost every single modern website uses JavaScript. It\u2019s such a widely used language that professional programmers make sure to keep up with it and list it on their resume. And many people begin their programming journey with JavaScript. <\/p>\n\n\n\n<p>On that note, learning how to use Express.js effectively is not only useful if your planning on developing server-side backend software, but it\u2019s also a good way to get a deep understanding of how web servers work. Understanding the architecture of the server backend makes developing front end easier. So whatever application you\u2019ll be using JavaScript for, getting a solid understanding of the extremely useful Express.js framework is a good idea.<\/p>\n","protected":false},"excerpt":{"rendered":"How to Learn Express.js If you\u2019ve done any work with Node.js, or any server-side programming in general, you\u2019ve probably heard of Express.js. Express.js is used widely by companies like Fox Sports, IBM, and even Uber. We\u2019re here to help you understand what it is, why it\u2019s useful, and whether or not you should learn it.&nbsp;&hellip;","protected":false},"author":45,"featured_media":8003,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11933],"tags":[],"class_list":{"0":"post-8000","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-javascript"},"acf":{"post_sub_title":"","sprint_id":"","query_class":"JavaScript","school_sft":"","parent_sft":"","school_privacy_policy":"","has_review":null,"is_sponser_post":"","is_guest_post":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What is Express.js? | Career Karma<\/title>\n<meta name=\"description\" content=\"Learn about Express.js: The Node.js framework that acts as a server in a box for single language web applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/careerkarma.com\/blog\/what-is-express-js\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Express.js: Courses, Training, and Other Resources\" \/>\n<meta property=\"og:description\" content=\"Learn about Express.js: The Node.js framework that acts as a server in a box for single language web applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/careerkarma.com\/blog\/what-is-express-js\/\" \/>\n<meta property=\"og:site_name\" content=\"Career Karma\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/careerkarmaapp\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-11T07:23:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-20T15:43:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/11\/programming-1873854_1920.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"549\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ethan Scully\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@career_karma\" \/>\n<meta name=\"twitter:site\" content=\"@career_karma\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ethan Scully\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/\"},\"author\":{\"name\":\"Ethan Scully\",\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/#\\\/schema\\\/person\\\/ef903a75c71f406d67080c5947efdf69\"},\"headline\":\"Express.js: Courses, Training, and Other Resources\",\"datePublished\":\"2020-11-11T07:23:01+00:00\",\"dateModified\":\"2022-07-20T15:43:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/\"},\"wordCount\":1960,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/11\\\/programming-1873854_1920.png\",\"articleSection\":[\"JavaScript\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/\",\"url\":\"https:\\\/\\\/careerkarma.com\\\/blog\\\/what-is-express-js\\\/\",\"name\":\"What is Express.js? 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