jQuery addClass example
Change class name on click in jQuery
HTML
<input id="myid" class="myclass" type="radio" name="myname"/>
<div class="block"></div>
CSS
.block {
color: #fff;
background: #000;
height: 100px;
width: 100px;
}
JavaScript
$('#myid').on('change', function() { $('.block').hide(); });