Preview:
popUpDemo.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript Pop-Up Boxes</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin-top: 50px;
        }

        button {
            padding: 10px 15px;
            font-size: 16px;
            margin: 10px;
        }
    </style>
</head>
<body>

    <h1>JavaScript Pop-Up Box Demonstration</h1>
    <button onclick="showAlert()">Show Alert</button>
    <button onclick="showConfirm()">Show Confirm</button>
    <button onclick="showPrompt()">Show Prompt</button>

    <script>
        function showAlert() {
            alert("This is an alert box!");
        }

        function showConfirm() {
            const result = confirm("Do you want to proceed?");
            if (result) {
                alert("You clicked OK!");
            } else {
                alert("You clicked Cancel!");
            }
        }

        function showPrompt() {
            const name = prompt("Please enter your name:");
            if (name) {
                alert("Hello, " + name + "!");
            } else {
                alert("No name entered.");
            }
        }
    </script>

</body>
</html>
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