JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">Foo</div>

CSS

.test {
    color: red;
    width: 450px;
    height: 450px;
    transform: matrix3d(1, 0, 1, 5, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
}

JavaScript

var transform = $('.test').css('transform').split(',')[3];
console.log(transform);