JSFiddle - React, Tailwind, and code Playground

HTML

<div id="yourid"></div>
<div id="scalex"></div>
<div id="scaley"></div>

CSS

#yourid {
  width: 100px;
  height: 100px;
  background-color: #c00;
  -webkit-transform: scale(1.7,2);
}

#scalex {
  margin-top: 100px;
}

JavaScript

node = $("#yourid")[0];
var curTransform = new WebKitCSSMatrix(window.getComputedStyle(node).webkitTransform);
$("#scalex").text("Scale X: " + curTransform.a);
$("#scaley").text("Scale Y: " + curTransform.d);