React is an open-source frontend JavaScript library developed by Facebook in 2011. React was created by Jordan Walke, a software engineer working for Facebook.
* React is used for building user interfaces especially for single page applications.
* It follows the component based approach which helps in building reusable UI components.
* It is used for developing complex and interactive web and mobile UI. Even though it was open-sourced only in 2015, it has one of the largest communities supporting it.
