Toggle slide only to the children elements
by Naresh
HTML
<ul>
<li class="cat">Category1
<ul>
<li>Sub Category1</li>
<li>Sub Category2</li>
<li>Sub Category3</li>
</ul>
</li>
<li class="cat">Category2
<ul>
<li>Sub Category1</li>
<li>Sub Category2</li>
<li>Sub Category3</li>
</ul>
</li>
<li class="cat">Category3
<ul>
<li>Sub Category1</li>
<li>Sub Category2</li>
<li>Sub Category3</li>
</ul>
</li>
</ul>
CSS
li{
list-style: none
}
JavaScript
$('.cat').click(function(){
$(this).children().closest('ul').slideToggle();
});