How to create React Native app

React 17 will no longer attach event handlers at the document level. Instead, it will attach them to the root DOM container into which your React tree is rendered. Note: For this to work, both the version of React apps should be more than v17, which is why upgrading to v17 is needed , i.e. to make further upgrades easy.

React Native. React Native is an open-source JavaScript framework used for developing a mobile application for iOS Android, and Windows. It uses only JavaScript to build a cross-platform mobile app. React Native is same as React, but it uses native components instead of using web components as building blocks .

In React Native you simply write a React code but it acts as a bridge between JavaScript(JS) and mobile’s native properties. The added advantage of React Native is the cross-platform compatibility , which lets you run your app on both IOS and Android devices.

Checking the version To check the react-native version in your system, run the react-native -v command inside the terminal . This above command work on both mac and windows based operating systems. Similarly, you can also check the react-native version by opening a package. json file in your project.