JSFiddle - React, Tailwind, and code Playground

by Hive7

HTML

<div class='element'></div>

CSS

.element {
    width: 60%;
    background: blue;
}

JavaScript

$('.element').height($('.element').width() / 2);
    $(window).resize(function(){
        $('.element').height($('.element').width() / 2);
    });
alert("Element width: " + $('.element').width());
alert("Element height: " + $('.element').height());