JSFiddle - React, Tailwind, and code Playground
HTML
<ul id='nav'>
<li>Link 1
<ul>
<li>Sub link 1.1</li>
<li>Sub link 1.2</li>
<li>Sub link 1.3</li>
</ul>
<li>Link 2
<ul>
<li>Sub link 2.1
<li>Sub link 2.2
</ul>
</li>
</ul>JavaScript
$('#nav li').each(function() {
if ($(this).parents('#nav li').length == 2)
$(this).css('color', '#f90');
});