index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Image Uploader</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
        }
        #preview {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: 8px;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
        }
    </style>
</head>
<body>

    <h1>Image Uploader</h1>
    <button onclick="document.getElementById('fileInput').click()">Select Images</button>
    <input type="file" id="fileInput" multiple accept="image/*" style="display: none" onchange="handleFiles(this.files)">

    <div id="preview"></div>

    <script>
        // Array to store selected images
        let selectedImages = [];

        function handleFiles(files) {
            selectedImages = Array.from(files); //Add images to array 
            displayPreview();
        }

        // Display image previews
        function displayPreview() {
            const preview = document.getElementById('preview');
            preview.innerHTML = ""; // Clear previous images

            selectedImages.forEach(file => {
                const img = document.createElement('img');
                img.src = URL.createObjectURL(file); // Create a temporary URL for the image
                img.onload = () => URL.revokeObjectURL(img.src); // Clean up memory once the image loads
                preview.appendChild(img);
            });
        }
    </script>

</body>
</html>