<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<script src="https://code.jquery.com/jquery-3.5.0.min.js"></script>
<style>
p {
padding: 20px;
background: blue;
}
</style>
</head>
<body>
<button type="button" class="toggle-btn">Toggle</button>
<p>Lorem Ipsum is simply dummy text.</p>
<script>
$(document).ready(function() {
// Display alert message after toggle paragraphs
$(".toggle-btn").click(function() {
$("p").toggle(2000, function() {
// Code to be executed
alert("The toggle effect is completed.");
});
});
});
</script>
</body>
</html>