JSFiddle - React, Tailwind, and code Playground

by Aleksey Karagodnikov

HTML

<div class="object"><button class="md-close">1</button></div>
<div class="object"><button class="md-close">2</button></div>
<div class="object"><button class="md-close">3</button></div>
<div class="object"><button class="md-close">4</button></div>

CSS

.new {
    color: red;
}

JavaScript

$(".md-close").bind('click', function () {
    var index = $(".md-close").index($(this));
    $(".md-close").eq(index + 1).addClass('new');
});