JavaScript DHTML/jQuery/hasClass
hasClass(class) returns true if the specified class is present
<source lang="html4strict">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("p:last").addClass("selected highlight");
alert($("p:last").hasClass("selected").toString());
});
</script>
<style>
.selected { color:red; }
.highlight { background:yellow; }
</style>
</head>
<body>
<body>
A
B
C
</body>
</html>
</source>
If has class
<source lang="html4strict">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").append($("p:first").hasClass("selected").toString());
});
</script>
</head>
<body>
<body>
A
</body>
</html>
</source>
