JSFiddle - React, Tailwind, and code Playground

HTML

<ul >
    <li>hi
        <div class="fly">i m here</div>
    </li>
    <li>hi
        <div class="fly">i m here</div>
    </li>
    <li>hi
        <div class="fly">i m here</div>
    </li>
    <li>hi
        <div class="fly">i m here</div>
    </li>
</ul>

JavaScript

$('.fly').hide();
$('li').click(function() {
    $('.fly', this).toggle(500);
 
});