How to count total height of all li?
http://stackoverflow.com/questions/24811719/how-to-count-total-height-of-all-li
by Aaron Kahlhamer
HTML
<footer>
<ul>
<li class="submenu">
<a href="">Foo</a>
<ol>
<li><a href="">Lorem ipsum</a></li>
<li><a href="">Lorem ipsum dolor sit amet, consectetur adipisicing...</a></li>
<li><a href="">Lorem</a></li>
</ol>
</li>
</ul>
</footer>
CSS
footer li{float:left;clear:both;}
footer ol{display:block;float:left;height:0;overflow:hidden;}
JavaScript
$('footer .submenu').each(function(i){
$('footer .submenu:eq('+i+') a:first').click(function(e){
e.preventDefault();
myHeight = $('ol').css({'height' : 'auto', 'visibility' : 'hidden'}).height();
function removeStyles() {
alert(myHeight + 'px');
$('ol').css({'height' : '0', 'visibility' : ' '});
}
removeStyles();
elem = $('footer .submenu:eq('+i+') li').length;
});
});