JSFiddle - React, Tailwind, and code Playground

HTML

<div id = "qwe">Block 1</div>
<div id = "ewq">Block 2</div>
<span id="q">Click me</span>
<span id="w">Click me</span>

CSS

#qwe {
    position: absolute;
    width: 100px;
    height: 100px;
    background: #ddd;
}

#ewq {
    position: absolute;
    width: 100px;
    height: 100px;
    background: #000;
}

span {
    margin-left: 110px;
    cursor: pointer;
}

JavaScript

$('div').not(':first').hide();
$('#q').click(function(){ $('#qwe').fadeToggle(300); });
$('#w').click(function(){ $('#ewq').fadeToggle(300); });