JSFiddle - React, Tailwind, and code Playground

by josangel555

HTML

<div class="w">
    <div class="j b">
        <pre>s
        d
        d
        d
        </pre>        
    </div>
    <div class="k b">
        <pre>d
        d
        d
        d
        d
        d
        d
        </pre>
    </div>
</div>

CSS

.b{outline: 1px solid red}

.j{width: 30%; float: left; height: auto;}
.k{width: 30%; float: left; overflow-y: scroll;}

JavaScript

var height = $('.j').height();
$('div.k').css("height", height);