JSFiddle - React, Tailwind, and code Playground
HTML
<div id="div">
</div>JavaScript
x = document.getElementById('div');
console.log(x.getBoundingClientRect());
x.style.height = '100px';
console.log(x.getBoundingClientRect());
x.style.height = '200px';
console.log(x.getBoundingClientRect());
x.style.height = '300px';
console.log(x.getBoundingClientRect());