JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="settings" style="position:fixed;">
<li><a href="#">111</a></li>
<li><a href="#">222</a></li>
<li><a href="#">333</a></li>
<li><a href="#">444</a></li>
</ul>

JavaScript

$("#settings").mouseleave(function() {
    console.log(20);
});