The Web has gone far too long since HTML5 first came into the picture and people started observing JavaScript as a language which could be used for building complex apps. Most of the APIs have emerged and you can find an abundance of content about how the browser could leverage all of this. There are many instances when many powerful technologies like React JS and Angular JS were leveraged to build real life applications. One such example is when Code Academy adopted Facebook’s library, React JS to write JavaScript UIs , which lead to certain important discussion points regarding how React JS can be put to good use in case of larger and complex applications similar to Code Academy.

What is React?

Simply put, React is a UI library created at Facebook to cater the development of interactive and reusable UI components. It is extensively used at Facebook in production. Moreover, instagram.com is entirely written in React. One of the USPs of React is that it can perform both on client side and rendered server side and also can work together.
React is intended to make the overall process of building reusable, modular, user interface components intuitive and simple. Design simple views for every state in the application, and React would efficiently render and update the right components when the data changes. In place of the traditional approach of writing user interfaces, it treats every UI (User Interface) element as a contained state machine.

Why use React for larger applications?

React is very a lightweight and simple library which only deals with view layer. It isn’t a beast like the other MV* frameworks such as Ember or Angular. You should think over the possible performance issues when you build a web application which has a higher user interaction and view updates.. Although JavaScript engines today are fast enough in handling complex applications, DOM manipulations aren’t still that fast. Updating DOM is a bottleneck when talking about web performance. React is all about solving this problem with the help of a concept called virtual DOM. View changes are initially reflected the virtual DOM, and then a competent diff algorithm equates both the previous and present states of the virtual DOM and computes the best way for applying these changes. Lastly, the updates are then applied to the DOM for guaranteeing least read/write time. It is one of the main reason behind its high performance. And like discussed above React is in use at Instagram and Facebook which obviously points out the quality and level of performance.

SEO Friendly

Since React provides built-in support for the server-side rendering, you could offer a mostly-complete page to the search engines that is a huge boost for the SEO. React is compatible with the legacy code, and is also enough flexible for the future. React is expressively more SEO friendly than other JavaScript MVC frameworks since it is based on the virtual DOM.

The Bottom Line

React is a powerful, lightweight, battle-tested library to build user interfaces with JavaScript. CodeAcademy certified it as an incredibly useful tool for front end development. React is also easy, to begin with, however, it requires some tooling for leveraging it efficiently in your workflow. The latest exciting update is that Facebook now uses React Native to bring React to mobile which hints a great future for React in the days to come.

If you wish to get started with React follow us on Cubet. Hope in anytime you wish to build something innovative and our expert team will be there at your service!

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