UI as Tree Example React - Component

see https://react.dev/learn/understanding-your-ui-as-a-tree

by phollome

HTML

<!DOCTYPE html>
<html>

  <head>
    <title>Get inspired - React Component</title>
    <script src="https://unpkg.com/react@18/umd/react.development.js"></script>
    <script src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"></script>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
  </head>

  <body>
    <div id="root" />
    <script type="text/babel">
    	const quotes = [
        "Don’t let yesterday take up too much of today.” — Will Rogers",
        "Ambition is putting a ladder against the sky.",
        "A joy that's shared is a joy made double.",
      ];
      
      function Quote() {
      	const [index, setIndex] = React.useState(0);
        const next = () => {
        	if (index >= quotes.length -1) {
          	setIndex(0);
          } else {
          	setIndex(index + 1);
          }        
        }
        
        return (
        	<>
          	<h3 className="fancy cursive">{quotes[index]}</h3>
            <button onClick={next}>Inspire me again</button>
          </>
        )
      }
    
    	function App() {
      	
      	const year = 2004;
      
      	return (
        	<>
        		<h1 className="fancy title">Get inspired - React Component</h1>
            <p>Your inspirational quote is:</p>
            <Quote />
	          <p id="copyright" className="small">©️ {year}</p>
          </>
        );
      }
      
      const root = ReactDOM.createRoot(document.getElementById("root"));
      root.render(<App />);
    </script>
  </body>

</html>

CSS

* {
  box-sizing: border-box;
}

body {
  font-family: sans-serif;
  margin: 20px;
  padding: 0;
}

h1 {
  margin-top: 0;
  font-size: 22px;
}

h2 {
  margin-top: 0;
  font-size: 20px;
}

h3 {
  margin-top: 0;
  font-size: 18px;
}

h4 {
  margin-top: 0;
  font-size: 16px;
}

h5 {
  margin-top: 0;
  font-size: 14px;
}

h6 {
  margin-top: 0;
  font-size: 12px;
}

code {
  font-size: 1.2em;
}

ul {
  padding-inline-start: 20px;
}

.fancy {
  font-family: 'Georgia';
}
.title {
  color: #007AA3;
  text-decoration: underline;
}
.cursive {
  font-style: italic;
}
.small {
  font-size: 10px;
}