Introduction to ReactJS and Expo
ReactJS: ReactJS is a popular JavaScript library for building user interfaces, particularly for single-page applications. Developed by Facebook, it allows developers to create reusable UI components.
Key Features:
Expo: Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React.
Key Features:
Example Code: Here’s a simple example of a React Native component using Expo:
import React from 'react';
import { Text, View } from 'react-native';
export default function App() {
return (
<View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
<Text>Welcome to React Native with Expo!</Text>
</View>
);
}
Conclusion: ReactJS and Expo are powerful tools for building mobile applications. With a basic understanding of these technologies, you’re ready to create your first mobile app in the next lesson.