JSFiddle - React, Tailwind, and code Playground
by dmethvin
HTML
<ul id="menu">
<li class="item">
<a href="#" class="lost">hi</a>
</li>
</ul>
JavaScript
// Compare against 1.6.4 or earlier
alert(
$("#menu").children(".item:first .lost").length + " <=> " +
$("#menu").children(".item .lost").length + " | " +
$("#menu").children("#menu:first .item").length + " <=> " +
$("#menu").children("#menu .item").length + " "
);