<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
    $("button").click(function(){
        $("p").after(function(n){
            return "<div>The p element above has index " + n + ".</div>";
        });
    });
});
</script>
</head>
<body>

<h1>This is a heading</h1>

<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<p>This is another paragraph.</p>

<button>Insert content after each p element</button>

</body>
</html>