jQuery .parents()
by JM note
HTML
<body>
body
<div>
div
<p>
p
<em>안녕</em>하세요. 반갑습니다.
</p>
</div>
</body>
<script src='//code.jquery.com/jquery.min.js'></script>
<script>
$('em').parents().css("border", "4px solid hotpink");
</script>