JSFiddle - React, Tailwind, and code Playground

by redeyes2015

HTML

<div id=rad>
    !!!
</div>
<div id=nonrad>
    !!!
</div>

<div id=message>
</div>

CSS

#rad,#nonrad {
    width: 100px;
    height: 100px;
    background-color: black;
    color: white;
    text-align: center;
    border: 1px green solid;
}
#rad {
    border-radius: 30%;
}

JavaScript

$(function(){
    var rad = $('#rad').css('border-top-left-radius');
    var rad2 = $('#nonrad').css('border-top-left-radius');
    
    $('#message').append(typeof(rad) + '::' + rad).append('<br/>').
        append(typeof(rad2) + '::' + rad2);
});