toggle
by karin
HTML
<ul>
<li data-tag="first">first</li>
<li data-tag="second">second</li>
<li data-tag="third">third</li>
</ul>
<div id="container">
<div id="first">first</div>
<div id="second">second</div>
<div id="third">third</div>
<p id="close">close</p>
</div>
CSS
#container{
width:500px;
background:pink;
padding:10px;
}
#first,#second,#third{
height:100px;
background:#ddd;
margin:10px;
}
ul li{
display:inline;
background:pink;
}
JavaScript
$('div>div').hide();
$('ul li').on('click',function(){
var sel=$(this).attr('data-tag');
sel='#'+sel;
$(sel).toggle();
});