<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("p").not($("div p.intro")).css("background-color", "yellow");
});
</script>
</head>
<body>
<div style="border:1px solid black;">
This is a div element
<h1>Welcome to My Homepage</h1>
<p>My name is Donald.</p>
<p class="intro">I live in Duckburg (this p element will be removed from the group).</p>
<p>My best friend is Mickey.</p>
</div>
<p class="intro">This p element is outside the div element, and will not be removed.</p>
<p>This p element is also outside the div element.</p>
</body>
</html>