JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <div class='a b'></div>
    <div class='b c'></div>
    <div class='c a'></div>
</div>


<div id='log'></div>

JavaScript

$(function() {
    var class_a_jquery_objects = $(".a");
    
    $("#log").append(class_a_jquery_objects.length + "<br />");
    $("#log").append(class_a_jquery_objects[0] + "<br />");
    $("#log").append(class_a_jquery_objects[0].parent() + "<br />");
});