React Js Convert Negative Number to Positive Number

<!DOCTYPE html>
<html>

<body>
  <div id="app"></div>
  <script type="text/babel">
  const {useState} = React;
    const App = () => {
     // Step 1: Define a state variable to store the number
      const [number, setNumber] = useState(-5);

// Step 2: Create a function to convert the negative number to positive
      const convertToPositive = () => {
        const positiveNumber = Math.abs(number);
        setNumber(positiveNumber);
      };

return (
        <div className='container'>
          <h3>React js Convert Negative Number to Positive Number</h3>
          <p>Number: {number}</p>
          <button onClick={convertToPositive}>Convert to Positive</button>
        </div>
      );
    }

ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      border-radius: 8px;
      box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
      padding: 20px;
      margin: 20px auto;
      max-width: 600px;
      text-align: center;
    }
  </style>
</body>

</html>

 
<!DOCTYPE html>
<html>
​
<head>
  <meta charset="UTF-8" />
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
​
<body>
  <div id="app"></div>
  <script type="text/babel">
  const {useState} = React;
    const App = () => {
     // Step 1: Define a state variable to store the number
      const [number, setNumber] = useState(-5);
​
      // Step 2: Create a function to convert the negative number to positive
      const convertToPositive = () => {
        const positiveNumber = Math.abs(number);
        setNumber(positiveNumber);
      };
​
      return (
        <div className='container'>
          <h3>React js Convert Negative Number to Positive Number</h3>
          <p>Number: {number}</p>
          <button onClick={convertToPositive}>Convert to Positive</button>
        </div>
      );
    }
​
    ReactDOM.render(<App />, document.getElementById('app'));
  </script>
  <style>
    .container {
      border-radius: 8px;
      box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1);
      padding: 20px;
      margin: 20px auto;
      max-width: 600px;
      text-align: center;
    }
  </style>
</body>
​
</html>