Last Updated: February 21, 2024
Why Use ReactJS
Published On: December 01, 2023

The majority of users avoid using apps and are less likely to return due to bad user interface (UI). With a bad UI, users find it tough to navigate and interact with apps, which frustrates them a lot and thus causes the failure of an app. So, now you can imagine the role of UI/UX in making an app successful. If you are one of those who are thinking why use ReactJS for web development, you can keep in mind the above facts. 

With React, developers can leverage fast and efficient frameworks that they can use to develop highly responsive and high-performing web applications with powerful user interfaces.

ReactJS is popular for its component-based architecture and declarative syntax. It has transformed the way designers conceptualize and craft user interfaces. It makes the process of crafting UI simple and hassle-free. Let’s explore more about how ReactJS ensures web development success.

What is ReactJS?

Introduced in 2013, ReactJS is a JavaScript library. It has transformed front-end development with component-based architecture and declarative syntax. 

Virtual DOM is one of the crucial features of React and it optimizes the rendering performance by updating only those of some necessary parts of the actual DOM. React works on unidirectional data flow, which improves maintainability and predictability. 

The popularity of ReactJS is growing day by day. It’s considered to be the best option to create single-page applications (SPAs) and allows designers to create fast and modern UIs.

Why Use ReactJs for Web Development?

So, what are the reasons to use ReactJS? Well, developers use ReactJS for web development for several reasons. It streamlines the process of creating responsive and dynamic interfaces. Developers can leverage the advantage of code reusability with the modular architecture of React.

Apps developed using React are easy to scale. With declarative Syntax, developers find it quite easy to predict the desired outcomes. The virtual DOM updates only necessary components and thus ensures a better performance. 

React is fully compatible with many other technologies including Redux, which makes it a versatile choice when it comes to developing scalable web applications. It also makes React the most preferred choice among those developers who endeavor to deliver mind-blowing user experience.       

Key Benefits of ReactJS for Front-end Development

Emerged as a robust and one of the popular libraries, ReactJS has redefined the way designers craft user interfaces by offering numerous advantages. Let’s explore several other benefits of using ReactJS: 

1. Declarative Syntax

The declarative syntax is one of the important benefits of ReactJS. The framework lets developers declare what they seek to get and the library will help them how they can do so. 

It makes code more easy and readable and makes it possible for anyone to understand while ensuring great collaboration among team members. The declarative nature of React also ensures an error-resistant and highly efficient development process.  

2. Component-Based Architecture

Developed based on the concept of components, React has a component-based architecture, which is self-contained and includes reusable building blocks for creating UI elements. 

The most prominent reason why you use ReactJS for web development is it modernizes the development process and makes it quite easy when it comes to managing and scaling large codebases. 

React allows developers to create a library of components that they can use in different parts of applications or even different kinds of projects while saving their time and effort.  

3. Reusable Components

Reusable components are another reason why you should use ReactJS. The credit goes to component-based architecture that enables developers to develop advanced UI elements that one can use throughout the app. 

It minimizes the redundant code while ensuring great consistency across the user interface. Reusable components make the ReactJS development process more efficient and enable the development team to create and maintain even larger apps hassle-free. 

4. Unidirectional Data Flow

React brings the possibility of unidirectional data flow, which reflects data in an app that travels only in a single direction. It travels from parent to child components. So, the unidirectional data flow makes the process of tracking data changes simple and makes it easy to understand how data gets modified and travels within an application.

It’s useful to prevent certain common issues that are associated directly with the two-way data binding, including data inconsistency. 

5. Performance Optimization

As already mentioned, React’s features like component-based structure and virtual DOM reflects its ability for performance optimization. With the framework, ReactJS development services providers can optimize the performance of a particular component even without impacting the entire app. 

Apart from this, some popular tools like React DevTools and React Profiler assist developers in identifying and tackling several performance issues.

When to Use ReactJS?

If you plan to build a web application with an interactive and dynamic user interface, you can use ReactJS. The framework is the right option when you need to update the UI frequently without reloading the entire page. It’s the best option for developing a single-page application or even a complex UI. The component-based architecture and reusable components make it possible.

React is a good option when it comes to handling larger projects since the framework minimizes the actual DOM manipulation. You can opt for React for those projects that demand efficient, responsive, and scalable front-end development. 

When Not to Use React?

Of course, React is one of the popular choices when it comes to creating the most powerful user interface. But, in certain scenarios, you will not find the framework useful. If you use the framework for static websites or small projects with minimum interactivity, it brings unnecessary complications.

Apart from this, if search engine optimization is your main concern and you focus on server-side rendering, you should focus on frameworks such as Next.js. If an application needs high-performance rendering and real-time updates, you need to opt for a lightweight framework rather than React. 

Before choosing this framework, you should always consider your project requirements and your team’s expertise.

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7 Reasons Why ReactJS Best Choice for Your Project

Creating the user interface of any web app is a time-consuming process and requires a lot of effort from designers. ReactJS comes as a rescue and makes the process of creating a user interface smooth and hassle-free. 

It lets developers develop visually appealing web apps by preventing them from dealing with complicated JavaScript codes. Let’s explore some other reasons for using ReactJS.

1. Modular Development with React’s Components

Embrace modular development by leveraging React’s component-based architecture. With this approach, break down your application into reusable, self-contained components. This not only fosters code organization but also facilitates easier maintenance and scalability. 

Each component encapsulates specific functionalities, promoting a clean and efficient codebase. React’s components empower developers to create, update, and maintain complex applications with agility, making modular development a cornerstone of ReactJS.

2. Efficient Rendering Through React’s Virtual DOM

Virtual DOM is another great feature of React that improves the performance of web applications. The framework doesn’t manipulate actual DOM. Rather, it uses a virtual representation of DOM. 

In case of changes in the app state, the framework updates the virtual DOM and then determines the number of updates that need to sync the actual DOM. It works to reduce the necessity of the direction manipulation of the DOM. As a result, it ensures fast rendering and enhanced performance of an application. 

3. Responsive User Interfaces with React’s Component-Based Approach

By structuring UI elements as reusable components, you can build interactive interfaces that seamlessly adapt to varying screen sizes and user interactions. React’s component-based architecture promotes the creation of dynamic, modular UIs that are easy to maintain and extend. 

Components encapsulate specific functionalities, making it straightforward to enhance or modify individual elements without affecting the entire application. Unlock the potential for responsive, user-centric interfaces by harnessing React’s component-based approach for your project’s UI development.

4. JSX for Concise and Expressive Code

JavaScript XML (JSX) is basically a syntax extension that React uses to a wider extent. With this, developers can write markup directly even within the JavaScript code. It works effectively to improve code reusability and also makes it more expressive and concise. 

Since JSX is similar to HTML, developers working with this technology don’t experience much difficulty. It also makes the learning curve easier even for those developers who are transitioning themselves from traditional web development. 

5. Community Support and Resources

Boasting a wide community, React lets developers interact with the community to get the latest updates, resolve their queries, etc. The community works actively and provides a major contribution to the development of the framework. They always share the best practices; create third-party libraries, etc.

With these resources, developers can easily find solutions to some common problems, seek assistance from others, and stay updated with the latest practices. The strong and wider community of this framework ensures its ever-evolving technology. 

6. Cross-Platform Development

As an extension of React, React Native reflects the extended capabilities of React beyond web app development. Developers use React Native for building mobile applications. Since the frameworks support cross-platform development, they facilitate developers to use a significant portion of the codebase for both mobile and web versions.

It again makes development less time-consuming and also lets developers leverage React to develop native mobile applications, providing a great experience across multiple platforms. 

7. Ecosystem and Libraries

React is popular for having a great ecosystem that includes a wide range of tools and libraries, which complement its main functionality. The framework includes a range of battle-tested and fully maintained libraries, including React Router, Redux, Jest, and Enzyme. Its ecosystem enables developers to select the right tools for specific requirements, which promotes both code quality and efficiency. 

Examples of Companies that Use ReactJS

As a robust JavaScript library, ReactJS is the most appropriate option for web development because it is highly efficient and flexible. This is the reason why the framework gained wide acceptance among some of the leading market players. Let’s discuss some of the companies that use ReactJS:

1. Facebook

As a developer of ReactJS, Facebook utilizes the library to a wider extent. The feature-like component-based architecture of React matches the need of complex and dynamic user interface requirements of Facebook. The platform has a great capability of rendering and updating components, which enables the Facebook web app to deliver a seamless user experience. 

2. Instagram

Owned by none other than Facebook, Instagram is another company that prefers web development using ReactJS. Instagram uses React’s features like one-way data binding and virtual DOM to update and display stories, user feeds, and several interactive elements, which provide an engaging and responsive user experience. 

3. WhatsApp

Another platform owned by Facebook, WhatsApp also uses this framework for its web version. The framework includes a modular structure that lets the development of real-time and interactive features, which cater to the need of WhatApps for a responsive web application that can be similar to its mobile app.   

4. Netflix

Netflix, a popular and global streaming app, uses ReactJS to improve the user interface of its web application and make it more engaging. It harnesses the potential capabilities of this framework to update and manage components that ensure seamless content delivery and navigation to improve users’ experience. Its performance optimization ability is good for a heavy platform like Netflix.

5. Airbnb

As a global travel brand, Airbnb also reaps the power of ReactJS to improve the user interface of its web application. It leverages the framework’s features like declarative syntax and component reusability features to make its UI modern and scalable. Having a good user interface is necessary for a web app that includes dynamic search functionalities and diverse content. 

Future of ReactsJS

The future of frameworks like ReactJS seems to be more promising with continued advancement in web development. The framework is likely to make its place more prominent with its component-based architecture and declarative syntax. It will continue to dominate in building user interfaces.

The newer version of React 18 includes features such as Suspense and Concurrent Mode, which are likely to be more effective in improving the performance of the app by providing a smooth user experience. 

Server components of this library tend to become more important in the coming times and may let developers offload render to the server. Apart from this, the compatibility of React with many emerging technologies including WebAssembly may increase its adoption quickly. 

Conclusion

So, after going through the above discussion, we have come to know why we use React and how it has transformed the way web apps are developed. 

As mentioned, with reusable components and lightning rendering, the framework simplifies the overall process of web development and is appropriate to be used for a wide range of projects including social media platforms, eCommerce websites, streaming apps, and more.

It’s crucial to know what ReactJS is synced and used for with your projects. Besides, you should also make sure your team is familiar with JavaScript, only then will they use the framework to its fullest. 

FAQs

ReactJS is mainly used for creating user interfaces of web applications, especially for single-page web apps. UI is the most important part of any web app where users interact frequently to access crucial information. With this JavaScript library, a React development company gets the liberty to create reusable UI components and can manage the state of apps quite efficiently.

One of the popular reasons why ReactJS is widely used is its capability to craft rich user interfaces. Developed with components, the framework makes it easy for developers to craft complex user interfaces with less effort. Some other reasons why ReactJS is widely used include fast rendering, great performance, code stability, flexibility, increased productivity, making testing easy, and many more.

Well, React is faster than HTML because of its capability of using a virtual DOM. Thanks to virtual DOM that enables the JavaScript framework to update only necessary components in case of changes. It also reduces the number of actual manipulations on the web page.

Yes, you can use React even without rendering HTML. Since it’s a JavaScript library for creating UIs, one can use React to build components that don’t render HTML. It can be advantageous for a variety of reasons, especially when you wish to develop a component that has the capability of handling state or data. It’s useful also in cases when you seek to develop a component to use in different ways.
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Jayanti Katariya

Jayanti Katariya is the CEO of Moon Technolabs, a fast-growing IT solutions provider, with 18+ years of experience in the industry. Passionate about developing creative apps from a young age, he pursued an engineering degree to further this interest. Under his leadership, Moon Technolabs has helped numerous brands establish their online presence and he has also launched an invoicing software that assists businesses to streamline their financial operations.

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