JSFiddle - React, Tailwind, and code Playground

by naryad

HTML

<div class="a">Main</div>
<div class="b">1</div>
<div class="b">2</div>
<div class="b">3</div>
<div class="a">Another</div>
<div class="b">4</div>
<div class="b">5</div>

JavaScript

(function($) {
    $.fn.reverseOrder = function() {
        return this.each(function() {
            $(this).prependTo( $(this).parent() );
        });
    };
})(jQuery);

$('.b').reverseOrder();