React Js Download Image from url

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Image Downloader</title>
</head>
<body>
    <h1>Javascript Download Image From URL</h1>
    <input type="text" id="imageUrl" placeholder="Enter Image URL">
    <button onclick="downloadImage()">Download Image</button>

if (imageUrl) {
                fetch(imageUrl)
                    .then(response => response.blob())
                    .then(blob => {
                        const urlObject = window.URL || window.webkitURL || window;
                        const imageUrl = urlObject.createObjectURL(blob);

const a = document.createElement('a');
                        a.href = imageUrl;
                        a.download = 'downloaded_image';
                        document.body.appendChild(a);
                        a.click();
                        document.body.removeChild(a);
                    })
                    .catch(error => console.error('Image download failed:', error));
            } else {
                alert('Please enter a valid image URL');
            }
        }
    </script>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            text-align: center;
            padding: 20px;
            margin: 0 auto;
        }

h1 {
            color: #333;
        }

input {
            padding: 10px;
            margin: 10px;
            width: 300px;
            border: 1px solid #ccc;
            border-radius: 5px;
        }

button {
            padding: 10px 20px;
            background-color: #4caf50;
            color: #fff;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }

button:hover {
            background-color: #45a049;
        }
    </style>

</body>

</html>