Build Scalable and Flexible User Interfaces with React JS

React JS in Brief

React is a leading front-end JavaScript library for building dynamic, component-based user interfaces. Free, open-source, declarative, and highly efficient, it powers scalable web and mobile applications. Created by Jordan Walke at Facebook, ReactJS excels in crafting complex single-page applications and large-scale interfaces.

According to StackOverflow’s 2024 Developer Survey, 42.6% of developers prefer ReactJS, making it one of the most popular web frameworks. Over 12 million websites, including Netflix, PayPal, and Airbnb, leverage ReactJS for seamless, interactive experiences, as reported by BuiltWith in 2025.

Introduced in 2011 for internal use at Facebook, React powered the news feeds of Facebook and Instagram by 2012. It became open-source in 2013, gaining widespread acclaim and robust support from Meta (formerly Facebook) and a global developer community.

Now on version 18, with biannual updates, ReactJS remains a stable, agile, and modern library. Features like concurrent rendering, streaming server-side rendering (SSR), and a rich ecosystem of tools (e.g., Next.js, React Native) ensure it meets the demands of cutting-edge web development. With over 227,000 GitHub stars, ReactJS continues to evolve, backed by a vibrant community and industry adoption.

You may be asking why you should utilize ReactJS now that you know what it is. So, let's have a look at some of the most compelling reasons to use ReactJS for your forthcoming project's front end.

Top 10 Reasons to Choose ReactJS for Your Next Project

I) Easy to Learn

We're not claiming that you'll be able to master ReactJS in a week; it could take months or even a year. However, unlike Angular, you won't need to learn any other languages to get started, such as typescript and ECMAScript 6 (ES6). All you need to get started with ReactJS is a basic understanding of HTML, CSS, and, most crucially, JavaScript; the rest will come naturally.

II) Streamlined Data Flow

Unidirectional data flow, often known as one-way data flow, refers to data that has just one path to other sections of the application. It signifies that the data from the parent component cannot be updated by the child component. Props are data from the parent component in React, which guarantees that developers follow a clean data flow and that you have better control over data.

III) Reusable Components

Component-based architecture is used in React. Components are a minor feature that is part of the user interface. It can be anything from a chat window to a comment feed to a dropdown menu. Each of these UI components lives in the same space but interacts with each other independently. React allows you to create reusable, self-contained components. However, in order for a component to be reusable, it must accept data via props and deliver the result via a function given by props. The render prop is a function that tells the component what content it needs to render and allows you to reuse functionality throughout the component.

IV) Robust Developer Tools

Another reason why developers prefer ReactJS is the availability of React Developers Tools. The React developers' tools are a collection of frameworks, extensions, and modules designed to make React programming easier. As a front-end developer, you may leverage code generators, testing utilities, debugging extensions, and other ReactJS tools to create more stable code and applications while cutting down on development time. Several React developer tools are available as extensions for popular web browsers like Firefox and Chrome.

V) High-Performance Virtual DOM

Another feature that makes React more developer-friendly is the virtual DOM. VDOM is a programming concept that keeps an ideal model of a user interface in memory and then synchronizes it with the real DOM, a process known as reconciliation. This method uses the declarative React API, which allows you to tell React what state your UI should be in. The DOM is then checked to see if it fits this state.

To various people, "virtual DOM" can signify different things. The term is frequently used in React to refer to objects representing the user interface. Fibers are used by React to store information about the component tree. This section summarizes the event handling, manual DOM updating, and attribute manipulation you would otherwise use to construct the app.

The virtual DOM enhances performance but poses SEO challenges since search engines rely on static HTML for indexing. To address this, developers leverage frameworks like Next.js for Server-Side Rendering (SSR) or Static Site Generation (SSG), ensuring improved search engine visibility.

VI) Cross-Platform Mobile Apps

When you use ReactJS for UI development, you get a freebie: React Native. React Native combines the greatest aspects of both native and React programming. You can construct a version of a platform-specific component that allows code to be shared across platforms from a single codebase. React Native allows a single team to manage two platforms using a single technology: React. As a result, it's easier for developers to migrate to React Native and build native mobile apps without sacrificing user experience.

VII) Structured Application Architecture

Another reason why developers prefer ReactJS is Flux. Facebook's Flux application architecture is used to create client-side web apps using React. Flux is a view that works with React and follows the Unidirectional Data Flow concept. When an application has dynamic data that needs to be updated quickly to reduce run-time errors, Flux can be employed. Flux was created with the goal of generating operations that are orchestrated by a central dispatcher in order to keep stores updated.

VIII) Reliable State Management

Redux seems to be a predictable state container for JS apps. Redux and React can be used together. Redux makes it easier for developers to create web apps that work in a variety of environments, behave consistently, and are simple to test. React is a wonderful alternative for front-end developers since Redux provides live code editing and a debugger to make the development process easier.

IX) Vibrant Community Support

Because Facebook created React, it is still maintained by Facebook and independent contributors all across the world. React's GitHub Repository has over 165k starts and is one of GitHub's most popular repositories. React flux is a React Developers community with over 110k members that helps solve and share React-related difficulties.

X) Efficient JSX Coding

Facebook created JavaScript XML, a syntax extension for JavaScript. The goal of JSX is to bring the functionality of HTML structures into JavaScript. There is no need to separate HTML and JS scripts if a developer uses JSX. With ReactJS, you may use declarative HTML syntax in JavaScript code. Developers may quickly construct tidy and manageable code by passing ReactJS and HTML elements into the browser's tree structure. Furthermore, using JSX with Virtual DOM increases the efficiency and performance of ReactJS apps.

Conclusion

Legacy code may appear to be a curse for a development team. ReactJS, on the other hand, is a technology that can not only be useful but also replace something old and inefficient. Some firms require this capability because migration is, without a doubt, a better alternative than developing the same application from the start. You won't need to do that if you're migrating from an older system to a new one using React. You may just add the React code to your old web project for this reason, and it will run without any issues. Partner with a React JS Development Company like Lucent Innovation to expertly migrate legacy systems, ensuring scalable, high-performance user interfaces tailored to your business needs.

In 2025, React will be a valuable and up-to-date tool for web app development. Because it gives developers development speed, performance, and ease of maintenance, this library can build true web masterpieces. You can use ReactJS to create complicated user interfaces, Progressive Web Applications (PWAs), and, in general, anything (including large-scale projects) that requires frequent page updates.

Lucent Innovation tries to keep itself updated with the latest and advanced technology trends, incorporating them into our work culture and better business results.

Lucent Innovation is a full-service software design and development company and an expert e-commerce solution provider. You can review our case study for a global retailer, Symphony; we developed an innovative app for them using React and Node jS. We create custom applications for our clients, leading to an improvement in the efficiency, increased growth, and profitability of the business. We also build e-commerce websites that are ready to sell, scale, and grow.