React Js Remove leading Zero from Number

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState } = React;

function App() {
            const number = "0004063";
            const convertedNumber = Number(number);

return (
                <div className='container'>
                    <h3>React Js Remove Leading Zero from Number</h3>
                    <p>Original Number: <span className="original-number">{number}</span></p>
                    <p>Parsed Number: <span className="parsed-number">{convertedNumber}</span></p>
                </div>

);
        }

ReactDOM.render(<App />, document.getElementById('app'));
    </script>
    <style>
        .container {
            text-align: center;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            width: 600px;
            margin: 0 auto;
        }

h3 {
            color: #333;
            font-size: 24px;
            margin-bottom: 10px;
        }

p {
            color: #666;
            font-size: 16px;
            margin-bottom: 5px;
        }

.original-number {
            font-weight: bold;
        }

.parsed-number {
            font-style: italic;
        }
    </style>
</body>

</html>