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What is ReactJS and Why to Use It

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Anuj Dalal

May 20, 2019

Introduction to React JS:

React is a front-end JavaScript library developed by Facebook. It is an open-source JavaScript framework. It is used to build web and mobile applications. It powers the most popular social media sites such as Facebook and Instagram. Currently, it is the most popular developer’s choice for creating JavaScript libraries.

React encourages on creating reusable components. It offers a simple model and provides better performance. It has a strong client base and a large community. It has very proper documentation. It can also render the server side code using Node. It implements the one-way reactive data flow. Hence, it is way beyond the traditional way of data binding.

Features: Here is a list of impressive features ReactJS possess.

  • React Native:

React includes the react libraries. They provide the react architecture to the native applications such as Android and iOS.

  • Components:

React revolves around the elements. Everything here is a component. This practice helps in maintaining the code while working on complex projects.

  • JSX:

JSX is a JavaScript which uses the HTML tags and syntax to render the components. It is then processed into the JavaScript function calls of this framework.

  • One-Way Reactive Data Flow and Flux:

Flux is a pattern that keeps your data flow unidirectional. React follows the one-way data flow to process your code.

  • Virtual DOM (Document Object Model):

This is a unique feature of React. React creates a data structure which is stored in internal memory. It is stored as cache. This feature enables the natural rendering of the page and components.

  • License:

React is a licensed product of Facebook Inc. Everything is licensed under its parent company.

Why Choose to React Js?

As new technologies arise, there is always fierce competition in terms of choices. Today, you can find an ample number of open-source platforms that help you creating the front-end web and mobile applications. However, Angular is also a popular choice for creating a single page and dynamic web applications. However, the question remains the same – Why React over other JavaScript frameworks?

Let us take a look at the benefits of React over other competitive technologies or frameworks. Today, developers find it challenging to focus on various trending technologies. There is always a risk of choosing the proper longtime technology as that always helps. So, if you are planning to add a new feather to your technology hat, React should be on the list.

Here’s why it is the best choice.

  • Easy to Learn:

In technology, anything easy to learn and understand is always easy to implement. Any developer can easily understand the syntax and components of React. You should have a basic knowledge of HTML, CSS, and JavaScript.

  • Simple:

ReactJS is easy to learn and implement(only if you have a basic understanding of JavaScript). It has a well-defined lifecycle. Everything is component based here. It is simple in comparison to other frameworks.

  • Native Approach:

React is known for its reusability. You can extensively use the code and that’s the plus feature of React. You can create mobile applications on iOS, Android and also the web applications.

  • Data Binding:

React uses one-way data binding. Also, it is easier to debug ReactJS components. It has one directional flow of data and it uses flux architecture.

  • Performance:

ReactJS is fast and secured. Also, it has not much of the performance issues. It does not offer any built-in container for dependency injection.

  • Testability:

ReactJS applications are easily testable. You can easily set triggers, events, functions and debug the code. You can easily debug the code.

Which Popular Sites Use ReactJS?

  • Facebook:

The Facebook webpage is designed with React.  React Native is a version of React. It is responsible for displaying the Android and iOS native components. The Facebook mobile app uses React native. Thus, partially, Facebook uses ReactJS.

  • Instagram:

ReactJS is extensively used within Instagram. There are numerous features such as the Google Maps APIs, geo locations, hashtags. The Instagram API is really impressive.

  • WhatsApp:

WhatsApp uses ReactJS for building web user interfaces from Facebook. The newly launched WhatsApp web uses ReactJS and other frameworks.

  • Yahoo! Mail:

Undoubtedly, Yahoo! Mail also uses to React. The products owned by Facebook wholly or partially use ReactJS.

  • Dropbox:

Dropbox has started using ReactJS for a year now. It effectively uses the components and resources. The effective cloud storage services and backup solutions have been designed with the help of ReactJS.

Mostly every application you use in your daily life uses ReactJS. Also, other popular sites such as the New York Times, Codecademy also use ReactJS.

Thus, this favorite JavaScript library has taken over the market due to its impressive and easy to use features. So, when it comes to developing an app with a perfect user interface and experience, ReactJS stands out to be the best choice.

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Anuj Dalal

A visionary founder and CEO, Anuj Dalal is an IT engineer, systems architect and technology executive with over 15+ years of expertise leading technology teams and building enterprise e-commerce systems. His leadership and approach to e-commerce technology has delivered successful e-commerce solutions - generating billions of dollars in revenue. You can find Anuj on LinkedIn and Twitter.

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