JSFiddle - React, Tailwind, and code Playground

HTML

<div class="common">
    lorem ipusm random text just for check
</div>
<div class="common">
    lorem ipusm random text just for check lorem ipusm random text just for check
</div>

CSS

.common{border:1px solid red;float:left;margin-left:5px;width:20%;padding:5px;}

JavaScript

var maxHeight = 0;
$('.common').each(function(){
    var height = $(this).height();
    if(height > maxHeight){
        maxHeight = height;
    }
})

$('.common').each(function(){
    $(this).height(maxHeight);
})