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ReactJS Tutorial

ReactJS Tutorial – Design Your Web UI Using ReactJS JavaScript Library

The majority of you have probably heard about ReactJS, often known as React. For anyone interested in learning further, I'll go through all of the essential React ideas you need to know. I'm confident that at the end of this ReactJS Tutorial, you'll understand all of the principles of React. Let me begin by providing an outline of the topics covered in this ReactJS tutorial.

React's Evolution

React is a JavaScript library for creating web application user interfaces. React was created and maintained by the Facebook team, and it was eventually used in their products (WhatsApp & Instagram). It is now a free and open-source project with a vibrant developer community. Netflix, Airbnb, Yahoo! Mail, KhanAcademy, Dropbox, and a slew of other well-known websites use React to create their user interfaces. The MVC (model view controller) architecture is used to create modern websites. React is the ‘V' in MVC, which stands for view, while Redux or Flux offers the architecture. React native is a programming language that is used to create mobile apps, such as the Facebook app.

React Fiber and ReactVR were both announced at Facebook's annual F8 Developer Conference 2017. React Fiber is a thorough rebuild of the previous release, concentrating on gradual rendering and snappy responsiveness. ReactVR is a framework built on top of the React Native frameworks that allows you to create UI with 3D models to simulate a 360-degree environment, resulting in fully immersive VR content.

Why should you learn how to react?


“Let's just write less and accomplish more!!” says the author.
React is one of the most straightforward JS libraries to learn. Vanilla JavaScript takes longer to write; why waste time creating long code when you can get things done quickly with React? On GitHub, React has 71,200 stars, making it the fourth most starred project of all time. I'm confident you'll see why front-end developers all around the world are migrating to React after looking at the sample below. Let's try developing a series of nested lists in React and see how it compares to traditional JavaScript syntax.

React Features Overview



 

Learning Curve

React has a shallow learning curve and it is suitable for beginners. ES6 syntax is easier to manage especially for smaller to-do apps. In React, you code in the ‘JavaScript’ way, giving you the freedom to choose your tool depending upon your need. Angular expects you to learn one additional tool ‘typescript’ which can be viewed as the ‘Angular’ way of doing things. In ‘Angular’ you need to learn the entire framework even if you’re just building a simple UI application.

The Simplicity Of Virtual DOM

 

How Does It Work?

While React is easier to understand for those who have never used JavaScript before, the nitty-gritty of transpiring JSX code might be intimidating. This establishes the foundation for tools like Babel and Webpack. All of the JavaScript files are bundled together in a single file by Webpack and Babel. Webpack performs a similar role to that of including a link to the CSS and JS files in our HTML code, removing the necessity for explicitly linking files.

I'm sure you're all on Facebook. Imagine Facebook is separated into components, with each capability assigned to a different component, and each component producing HTML that the DOM renders as output.


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