<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").wrap("<div></div>");
});
});
</script>
<style>
div{background-color: yellow;}
</style>
</head>
<body>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<button>Wrap a div element around each p element</button>
</body>
</html>