.offsetParent()
by Kim Ara
HTML
<ul class="level-1">
<li class="item-i">I</li>
<li class="item-ii" style="position: relative;">II
<ul class="level-2">
<li class="item-a">A</li> <!-- 요기요 -->
<li class="item-b">B
<ul class="level-3">
<li class="item-1">1</li>
<li class="item-2">2</li>
<li class="item-3">3</li>
</ul>
</li>
<li class="item-c">C</li>
</ul>
</li>
<li class="item-iii">III</li>
</ul>
<div>
<!-- <br><br><br> -->
<span>position 위치값 : </span>
<span></span>
</div>
JavaScript
$(document).ready(function(){
$('li.item-a').offsetParent().css('background-color', 'yellow');
var p = $('span:first');
var position = p.position();
$('span:last').text( "left: " + position.left + ", top: " + position.top ).css('color','red');
});