Why Should Beginners Learn React in 2025?

// Import React for component creation
import React from 'react';

// Define a component using JavaScript
function Message() {
  // JavaScript variable for dynamic content
  const greeting = 'Welcome to React!';

  // Return JSX with JavaScript expression
  return <h1>{greeting}</h1>;
}

export default Message;

// Import React for component creation
import React from 'react';

// Define a component with JavaScript event handling
function Toggle() {
  // JavaScript function for event
  const handleToggle = () => {
    console.log('Toggled!');
  };

  // Return JSX with event handler
  return <button onClick={handleToggle}>Toggle</button>;
}

export default Toggle;

// Import React and Material-UI components 
import React from 'react';
import Button from '@mui/material/Button';

// Define a component using Material-UI
function FancyButton() {
  // Return JSX with a styled Material-UI button
  return (
    <Button variant="contained" color="primary">
      Click Me
    </Button>
  );
}

export default FancyButton;

// Import React and useState for state management
import React, { useState } from 'react';

// Define a component for a basic SPA
function Dashboard() {
  // State for dynamic content
  const [message, setMessage] = useState('Welcome to the Dashboard!');

  // Return JSX for SPA content
  return (
    <div>
      <h1>{message}</h1>
      <button onClick={() => setMessage('Updated Dashboard!')}>
        Update
      </button>
    </div>
  );
}

export default Dashboard;

// Import React and React Native components
import React from 'react';
import { View, Text, Button } from 'react-native';

// Define a mobile component
function WelcomeScreen() {
  // Return JSX for a mobile UI
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Welcome to React Native!</Text>
      <Button title="Get Started" onPress={() => alert('Started!')} />
    </View>
  );
}

export default WelcomeScreen;