<!DOCTYPE html>
<html>
<head>
<script src="/lib/jquery-1.12.2.min.js"></script>
<script>
$(document).ready(function(){
$("p").parent("div").css("background-color", "yellow");
});
</script>
</head>
<body>
<p>This is a p element in body.</p>
<div style="border:1px solid;">
<p>This is a p element (child of div).</p>
<span>This is a span element (child of div).</span>
<p>This is also a p element (child of div).</p>
</div><br>
<div style="border:1px solid;">
<p>This is a p element (child of div).</p>
<span>This is a span element (child of div).</span>
<p>This is also a p element (child of div).</p>
</div>
<p>This is also a p element in body.</p>
</body>
</html>