AlertBox.html

<html>
<head>
    <title>Alert Box</title>
</head>
<body>
    <h1>Built-in JavaScript Functions</h1>
    <p>these are some of the built-in functions in JavaScript</p>

    <p>Click the button to display an alert box</p>

    <button type="button" onclick="myFunction()">Click Me</button>

    <script>
        function myFunction() {
            alert("I am an alert box");
        }
    </script>


</body>
</html>