Set style with callback function
Description
The following code shows how to set style with callback function.
Example
<html>
<head>
<script
src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {<!--from ww w.j a va 2 s.com-->
$("div").css("width", function() {
return $(this).width() + 20 + "px";
});
});
</script>
<style>
div {
margin: 3px;
width: 50px;
position: absolute;
height: 50px;
left: 10px;
top: 30px;
background-color: yellow;
}
div.red {
background-color: red;
}
</style>
</head>
<body>
<body>
<div id="testSubject"></div>
<div id="display"></div>
</body>
</html>