Creating a Mobile Application with Reapp

React is a JavaScript library focused on building user interfaces. It’s increase in popularity has been helped in part due to to fact that it’s created, used and maintained by Facebook.

Why React ?

React works on the concept of the “virtual DOM” which makes it different to other JS libraries. When a change occurs it updates the virtual DOM instead of updating the actual DOM. When there are a couple of changes in the virtual DOM, it makes a single update thus avoiding frequent updates to DOM.

From the official site,

React abstracts away the DOM from you, giving a simpler programming model and better performance. React can also render on the server using Node, and it can power native apps using React Native.

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by Jay Raj via SitePoint