JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="click_me">click</a>
<div id="contain">ok this is some content</div>

CSS

#contain {
    display: none;
    padding: 20px;
    background-color: aqua;
}

JavaScript

$('#click_me').on('click', function() {
    $('#contain').toogle('blind', 300, function (){
        alert('open');
    }, function (){
        alert('close');          
    });
});