JSFiddle - React, Tailwind, and code Playground

by antelopelovefan

HTML

<div class="panel blue"></div>
<div class="panel red hidden"></div>

CSS

.panel {
    width: 50px;
    height: 50px;
}

.panel.blue {
    background: blue;
}

.panel.red {
    background: red;
}

.hidden {
    display: none;
}

JavaScript

setTimeout( function() {
    $('.panel.blue').hide(450, function() {
        $('.panel.red').show(450);
    })
}, 3000);