JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="lista1">
    <li class="item">
        Pai
        <ul class="lista2">
            <li class="item">
                Filho
                <ul class="lista3">
                    <li class="item">Neto 1</li>
                    <li class="item">Neto 2</li>
                </ul>
            </li>
        </ul> 
    </li>
</ul>

JavaScript

$(document).ready(function () {
    $(document).on('click','.item', function (e) {
        e.stopPropagation();
         console.log(this, $(this).closest('ul'));
    });
});