JSFiddle - React, Tailwind, and code Playground

HTML

<div id="innerdiv1" style="height:40%;">Div 1</div>
<div id="innerdiv2" style="height:60%;">Div 2</div>

JavaScript

$(function() {
    document.getElementById('innerdiv1').innerHTML += " " + document.getElementById('innerdiv1').style.height
    document.getElementById('innerdiv2').innerHTML += " " + document.getElementById('innerdiv2').style.height
    
    $('#innerdiv1').html($('#innerdiv1').html() + ", or " + $('#innerdiv1').height() + "px");
    $('#innerdiv2').html($('#innerdiv2').html() + ", or " + $('#innerdiv2').height() + "px");
});