Demo JQuery .show(), .hide() dan .toggle()
HTML
<button class="sentuh">Sentuh!</button>
<div id="target"></div>
CSS
body {padding:30px;}
#target {
background:#9D0053;
height:160px;
padding:5px;
}
JavaScript
$('.sentuh').hover(function() {
$('#target').hide('slow');
}, function() {
$('#target').show('slow');
});