JSFiddle - React, Tailwind, and code Playground

HTML

<div class="div">foo</div>
<input class="btn" type="button" value="click" />

CSS

.borderStyle{
    border: 1px solid #ccc!important;
}

JavaScript

$('.btn').click(function(){
    $('.div').toggleClass("borderStyle");
    setTimeout(function(){ $('.div').toggleClass("borderStyle"); }, 2000);
});