AdDa,
100501
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
p {
display: none;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script>
$(function(){
var s = $("a[data-filter]"), p = $('p[class^="h"]');
s.click(function(event) {
event.preventDefault();
var filter = $(this).data("filter");
p.stop().not(filter).hide();
p.filter(filter).fadeToggle(1500);
});
});
</script>
</head>
<body>
<ul>
<li><a class="" href="#"data-filter=".h">H</a></li>
<li><a class="" href="#"data-filter=".ha">Ha</a></li>
<li><a class="" href="#"data-filter=".has">Has</a></li>
<li><a class="" href="#"data-filter=".hasd">Hasd</a></li>
</ul>
<p class="h">Текст h</p>
<p class="ha">Текст ha</p>
<p class="has">Текст has</p>
<p class="hasd">Текст hasd</p>
</body>
</html>