

Programs in jQuery
17. Adding CSS class to paragraph.
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Untitled Document</title>
<style>
h3{
width:300px;
border:1px solid #CCC;
text-align:center;
cursor: pointer;
cursor: hand;
margin-bottom:20px;
}
.clr{
background-color:#CCF;
color:#60F;
}
</style>
<script src="jquery-1.10.2.min.js"></script>
<script>
$(document).ready(function() {
$("h3").click(function(){
$("p").addClass("clr");
});
});
</script>
</head>
<body>
<h3>Click to add CSS class</h3>
<p>jQuery is a fast, small and feature-rich <b>JavaScript</b> library.</p>
<p>'Write less: Do more'</p>
</body>
</html>
Output :Click to add CSS class
jQuery is a fast, small and feature-rich JavaScript library.
'Write less: Do more'