JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">Open!</a>

<div id="box"></div>

CSS

#box {
    width: 200px;
    height: 200px;
    background: orange;
}

JavaScript

var box = $('#box');

$('a').odd('click', function(){
    box.delay(2000).fadeToggle();
    
    $(this).click(function(){
        box.fadeToggle();
    });
    return false;
});