---
title: "This week's React news, issue 21"
publication: "React Status"
issue: 21
published_at: "2017-01-27"
canonical_url: "https://react.statuscode.com/issues/21"
---

react status 21   

This week's React news -[Read this on the Web](http://react.statuscode.com/issues/21) 

[react status](http://react.statuscode.com) Issue 21     

[Testing React Applications with Jest](https://auth0.com/blog/testing-react-applications-with-jest/?utm_source=reactnl&utm_medium=email) — Jest is a popular JavaScript test runner maintained by Facebook. This intro is a great way for learning to use it. Joyce Echessa [Notes on the Forthcoming React 15.5 and 16](https://github.com/facebook/react/issues/8854?utm_source=reactnl&utm_medium=email) — Technical notes on what should be going into React 15.5 (the final 15.x release) and 16. React 16 will be based around the [‘Fiber’](https://gist.github.com/duivvv/2ba00d413b8ff7bc1fa5a2e51c61ba43) reimplementation of React’s core. Dan Abramovnews [New Course: ⚡️ ES6 The Right Parts with Kyle Simpson](http://go.cooperpress.com/rs/react21/frontendmasters.com/courses/es6-right-parts/) — Uncover how to think deeply about new ES6 JavaScript features like arrow functions, destructuring, generators, classes and computed properties with Kyle Simpson of the "You Don't Know JS" book series. Frontend Masterssponsored [![\](https://copm.s3.amazonaws.com/bd6761c2.png)](http://go.cooperpress.com/rs/react21/frontendmasters.com/courses/es6-right-parts/) [React Navigation for React Native](https://reactnavigation.org/blog/2017/1/Introducing-React-Navigation?utm_source=reactnl&utm_medium=email) — A flexible navigation library including customizable views for React Native, routers for any platform, and navigators that make it easy to get started. reactnavigation.​orgnative [React Events 101: How to Listen for the Most Common Event Types](https://appendto.com/2017/01/react-events-101/?utm_source=reactnl&utm_medium=email) Wern Ancheta [Making Dynamic Form Inputs with React](https://goshakkk.name/array-form-inputs/?utm_source=reactnl&utm_medium=email) — Think forms that let you dynamically add, delete or insert items. Gosha Arinich [A Journey of Migrating 100k Lines of Code From Angular to React](https://tech.small-improvements.com/2017/01/25/how-to-migrate-an-angularjs-1-app-to-react/?utm_source=reactnl&utm_medium=email) Sebastian Fröstl [5 Reasons Why I Chose React Native Over Traditional App Dev](https://blog.revisify.com/5-reasons-why-i-chose-react-native-over-traditional-app-development-3de18e208b8a?utm_source=reactnl&utm_medium=email) Pav Sidhunative [Use the Extensive Ext JS Component Library with React Apps](http://go.cooperpress.com/r/react21/pages.sencha.com/ext-js-reactor.html) — Learn how React developers can now use Sencha’s powerful Ext JS components in their React apps, using the new Ext JS Reactor. Sencha, Incvideo sponsored [How to Use Redux in Polymer](https://www.youtube.com/watch?v=PahsgJn0sgU&utm_source=reactnl&utm_medium=email) — Using the Redux library and an adapter written for Polymer called polymer-redux to manage state in a large Polymer app. Google Chrome Developersvideo [ReactNativeEverywhere: A Starter Kit to Target Multiple Platforms](https://github.com/amoghbanta/reactNativeEverywhere?utm_source=reactnl&utm_medium=email) Amogh Bantatools [react-collection-helpers: Composable Utility Components to Manipulate Collections](https://github.com/joshwcomeau/react-collection-helpers?utm_source=reactnl&utm_medium=email) Joshua Comeaucode [Konsul: A React Renderer That Renders to the Browser Console](https://github.com/mohebifar/konsul?utm_source=reactnl&utm_medium=email) — Including text styling, images, buttons, and more. Mohamad Mohebifarcode [Software Engineer, Web - Zürich, Switzerland](http://go.cooperpress.com/rs/react21/www.centralway.com/de/careers/open-positions/details#oii51fwq) — React now and apply. Change the future of mobile banking with building high performance web applications with cutting-edge technologies. Centralway Numbrsjob    [Read this issue on the Web](http://react.statuscode.com/issues/21) [See our archives](http://react.statuscode.com/issues) [Stop getting this newsletter](*|UNSUB|*)  

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