Published On: Tue, Jul 30th, 2019

What is ReactJS? and 7 reasons why you should learn React

ReactJS or React is a JavaScript library developed and maintained by Facebook and its community. It is used for building user interfaces (UI). Applications or websites made using React are not only easy to develop but also robust and scalable.

Who should learn React?

React requires just a basic understanding of HTML and JavaScript and has been popular among web developers around the world. High tech companies like Netflix, Airbnb, Walmart,and  Facebook are just some of the companies using React for their user engaging platforms. So, if you are already employed or wish to be employed as a front-end web developer, Reactjs training will do you a world of good.

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photo/ Michael Jarmoluk via pixabay.com

7 reasons why you should learn React 

  1. Easy to learn

React is easy to learn and understand because it only interacts with the viewing layer of the application or website. If you are a JavaScript developer, then you can easily grasp the basic fundamentals and start the development process of the web application after completing your training.


  1. Create stunning UIs

React makes it easy to create interactive UIs. You can easily design simple views of your application or website at every stage. React can update and use the right components for your application or website when your data changes. This JavaScript library also helps in providing declarative views, which make it easier for you to predict and debug your application or website on time without any hassle.


  1. Multipurpose Use

React JS training will allow you to build interactive UIs not only for applications but for websites across various domains. Learning React will increase your skill set and it will also improve your job profile.


  1. Demand for skilled experts

React is the framework that many in the industry want to work with and hence there is a huge hiring spree for professionals who are React experts.  Although this high demand is not being met because of the lack of qualified React experts. This is where you can take advantage over the others, by enrolling yourself into a React course and gaining hands on expertise in the technology. 


  1. High developer Tools

A  developer’s toolset is among the important factors while deciding on a development platform. React has a great set of tools called React Developer Tools, which can be installed as a Chrome extension.

React Developer Tools are great for inspecting React components within their hierarchy. They help in observing the current props and states of your website or application.


  1. React Native

Another advantage of learning React is that it comes with React Native. Most developers would agree that React is a ‘learn once write anywhere’ library. React Native can be used to write and build native iOS and Android apps. You can adopt the same kind of architecture and methodology used for the web.


  1. Faster render with virtual DOM

The biggest worry while developing web apps that are exhibited to a large number of view updates and user interaction is performance. DOM manipulations aren’t renowned for their fast-paced functioning. On the contrary, modern JavaScript engines are tailor-made for such complex apps. Updating this DOM normally turns out to be the deal breaker in terms of performance of these apps. This is where React has put itself in a different league by incorporating virtual DOM. Whatever new view changes come up, these are first subjected to the virtual DOM, which then compares the past and present states, in turn opting for the best one i.e. picking the option where the least number of updates are required for changes to occur. This ensures minimum read/write time, which is what makes React JS a high-performance tool.

Where to learn React?

React can be learned by enrolling yourself into online or classroom courses. Choose the course that gives you theoretical as well as practical knowledge and helps bridge your skill gap.  


You need to have a system with the latest version of the operating system at hand that includes Windows 8 or Windows 10 or MAC OS greater than version 10 or Ubuntu version greater than 16 or any other latest Linux version. The system should be equipped with 4 GB RAM and a space of 10 GB. Also, there are other permissions that are required namely Internet access to NPM ecosystem and privileges to install modules of Node.js throughout the system.

While installing the software, you will also require Nodejs & NPM installation (npm gets automatically installed upon installation of Nodejs). For writing code, you will require Visual studio code IDE and for debugging, the latest Chrome browser is needed.

Author: Alina Jones

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