<!DOCTYPE html>
<html lang="en">
<head>
<title>Learning jQuery</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
</head>
<body>
<button id="show">Toggle Visibility</button>
<h1>This button will toggle the visibility of this heading.</h1>
</body>
</html>