How does react js work? Which popular apps are currently powered by React js?

4 min readJan 13, 2023

Everyday new methods and techniques are emerging in the field of website designing or website development. With its help, developing and designing a website has become very easy. A website developer first needs a framework to develop or create a website, but it takes a lot of time and is also a bit difficult.

Everyday new things are invented. Jai Infoway is now making everything easier. Now a technology named React Js has come in the market. Have you ever heard the name of React JS?

What Is React.js

Before knowing about React JS you need to know that React JS is a free open source java script library. React JS has become a very popular JavaScript in the field of web development. React JS was developed by Facebook and is maintained by Facebook itself

React Js is used for building UI (user interface) and mobile applications, apart from this single web application is also built with its help. So far famous companies around the world are using react Js, including companies like Jai Infoway, Instagram, Netflix, etc. The reason for the popularity of React js is that there are many new and cool features available in it.

How does react js work

Now you must have known what is React js, now know how React js works. The work of Reacts js is mainly to create such a user interface, which is fast without any problem. Apart from this, the user interface provides speed to any application.

React js uses a mechanism that is based on the virtual dom. Virtual DOM serves the owner as fast as possible. Only with the help of virtual domains, React js is able to improve the application performance. This is the reason why React js has now become the first choice of every developer.

Why React JS Is Becoming Popular

React js has now become very useful for every web developer, there are many benefits of using it. Developers are benefiting a lot from this, so the use of react js is increasing. Let us know that react js is becoming so popular all over the world, what is the reason behind it? There are many reasons behind this which are as follows:

React js is very easy to learn, even a beginner developer can learn it easily. Codes of React js can be easily debugged in very less time.

Often it takes some time to build mobile applications and web applications, but with the help of react js, this work can be done very easily.

React js is quite accessible for developers as it is easily able to create reusable components which saves time.

With the help of React js, even complex applications can be built in less time.

Features of React js

Now let us know about the features of react js, due to which it is becoming popular all over the world. Features of React js are as follows:

1. JSX

JSX stands for JavaScript XML, which is a Java Script extension. The syntax of Javascript XML is HTML, and XML. It is used under react js.

2. Component

An application can be built only when all the components come together. React js is capable of creating reusable components very easily.

3. One way data binding

With the help of this feature named One way data binding, any mobile or web application can be easily controlled. react js uses this feature to control the application.

4. Virtual Dom

React js takes the help of Virtual DOM to build an application. Actually the function of virtual Dom is to represent the object. When a user interface is modified with the help of react js, during that time virtual Dom renders the user interface in representation. The difference between the old and the new DOM is seen during render, only after which changes are made to everything in the DOM.

5: Simplicity

JSX file is used inside React js, with the help of which coding and using the application becomes very easy. Learning React js is very simple, any developer can learn it easily. There is a reusable feature inside React js, with the help of which coding becomes easy.

6. Performance

React js is an open source java script library. Its performance is very good as compared to the working of other frameworks. This is the reason why every developer uses it to build applications.

Which popular apps are currently powered by React js?

React js is still powering many popular mobile apps and websites. This includes successful and great apps and websites like Facebook, Grammarly, Netflix, Reddit, Dropbox, Snapchat etc.