And the t-shirt page is rendered without reloading the page as it is a single-page application.īut at this point, we do not have any data on the t-shirt, that is, the state is empty. The user clicks on the link to buy a t-shirt. User visits our react based landing page. But how we will get data from the backend? So from the link provided on the web page, the user reaches the t-shirt page. Now, a customer visits the web app to shop for a t-shirt. Assume that you have developed an e-commerce web application for clothes. To help you understand the complete mechanism, let’s take an example. So in this section, we will understand how the MERN stack works. How Does MERN Stack Works?Īs from the above explanation, all the components of MERN can be used individually, however, by combining these technologies, a developer can accomplish excellently performing web applications. It also provides a set of I/O primitives in its library to prevent JS code from blocking. Node.js runs a single process without creating new threads for each request. With Node.js, a developer can generate dynamic content for web pages, collect form data, modify data in the database and manage files on the server. Node.js works on V8 engines and run JS code outward of a web browser. Node.js is a cross-platform and open-source back end JavaScript runtime environment. Using Node, React also renders on the server. React enables developers to form encapsulated segments that maintain their state and then comprise them to make complicated interfaces. It handles the view layer and can be used to develop both mobile and web applications. It is used for building interactive UI (user interface) of web applications. React is an open-source and free frontend JavaScript library released by Facebook. Express makes it easier to serve static resources and files of your application. Express consists of many middleware components to support additional tasks. It helps a developer to define application routes based on HTTP and URLs. Express can be configured and customized efficiently. It offers multiple features to make web application development easier and faster which otherwise takes more time only using Node.js. Express: Back End FrameworkĮxpress or Express.js is a backend web application framework used for Node.js. Also, being distributed at its core, MongoDB has horizontal scaling, high availability, end-to-end security, management tooling, and geographic distribution. MongoDB is flexible and its document model outlines the object in the code, making data effortless to work with. It is a NoSQL database that used JSON documents with schemas (optional). MongoDB is a cross-platform source available document-oriented database program. MongoDB: Cross-platform Document-Oriented Database MERN is designed to make the process of application development swift and simple.Įach component of MERN has its own role that we must understand. MERN stack is an open-source full-stack JavaScript solution used for faster and easier development and deployment of full-stack applications. MERN Stack is an umbrella term used for MongoDB, Express, React and Node.js. So, in this article, we will discuss and learn what MERN Stack is and why it is being used by developers for web applications development. The confusion is not only about the broad stack (the combination of technologies for web development) but also about the tools that help in development. And nowadays, there are multiple options available for web application development that many developers often get confused with. Web applications are developed using a multitude of technologies. Web application development is not the same anymore as it was a couple of years back.
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