JSFiddle - React, Tailwind, and code Playground

by tjerabek

HTML

<div class="counter">
    <span class="number">0</span>
</div>
<a href="#" class="counter-increse">Increse</a>

CSS

body{
padding: 50px;
font-family: Arial;   
font-size: 90%;    
}
.counter-increse{
display: inline-block;
padding:  0 10px;
 line-height: 40px;   
}
.counter{
    float: left;
    font-size: 110%;
    width: 40px;
    height: 40px;    
    background: #58544F;
    font-weight: bold;
    color: white;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    overflow: hidden;
}
.number{
    line-height: 40px;
    display: block;
    width: 40px;
    text-align: center;

    text-shadow: 0px 1px 1px #1a1a1a;
    -webkit-transition: all 400ms ease;
    -moz-transition: all 400ms ease;
    -ms-transition: all 400ms ease;
    -o-transition: all 400ms ease;
    transition: all 400ms ease;
}
.number.top{
    margin-top: -40px;
}
.number.center{
    margin-top: 0;
}
.number.bottom{
    margin-top: 0;
}

JavaScript

$(document).ready(function(){
    var counter = 0;
    
    $('.counter .number').addClass('center');
    var $top = $('<span class="number top">'+(counter + 1)+'</span>');
    $('.counter .number.center').before($top);
    
    counter++;
    
    $('.counter-increse').click(function(){
        counter++;
        
        var $newTop = $('<span class="number top">'+counter+'</span>');
        $('.counter .number.center').addClass('bottom');
        $('.counter .number.center').removeClass('center');
        $('.counter .number.top').addClass('center');
        $('.counter .number.top').removeClass('top');
        $('.counter .number.center').before($newTop);    
        return false;
    });
});