JSFiddle - React, Tailwind, and code Playground

HTML

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

JavaScript

$(".btn").on("click", function() {
    $('.foo').css('border', '1px solid #ccc');
    setTimeout( function() { 
        $('.foo').css('border', 'none');
    }, 2000);
});