Fill in the Blanks React JS / React NativeOnline version 12 IT buzzwords by Bia Aguiar 1 components for mean simplifying especially same quite development affordable end interfaces native of patterns already shouldn library ReactJS is a rising buzzword among front - end developers . It is a JavaScript and a new concept to build user for large applications that has changed the approach to building front apps . The main idea of ReactJS is building reusable that make code reuse and testing more . ReactJS improves teamwork by enforcing workflow , increasing the speed and the coding process . The new concept componentized user interfaces is the future of web . Furthermore with React Native , they are trying to go for app developers for iOS and Android Platforms . Even if ReactJS and React Native are different in terms of use , they use the logic . Therefore , it ? t be hard to learn React Native if you understood ReactJS . This would also you don ? t have to use two different applications your web apps and IOS / Android Apps .