<html>
<head>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("div").delegate("p","click",function(){
$("p").css("background-color","pink");
});
});
</script>
</head>
<body>
<div style="background-color:yellow">
<p>This is a paragraph inside a div element.</p>
</div>
<p>This is a paragraph.</p>
</body>
</html>