JSFiddle - React, Tailwind, and code Playground

by jamesbrndwgn

HTML

<div class="box"></div>

CSS

.box {
  width: 200px;
  height: 200px;
  overflow:hidden;
  background-color: #2196f3;
  resize: both;
}

JavaScript

const resizeObserver = new ResizeObserver(entries => {
  console.log('Size changed');
});


resizeObserver.observe(document.querySelector('.box'));