JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "fa11_holder"> parent
<div id = "b-2" class="hulk">hulk</div>
</div>

JavaScript

$(document).ready(function () {
    $(".hulk").click(function () {
        alert($(this).parents('div').attr('id'));
        alert($(this).attr('id'));
    });
});