JSFiddle - React, Tailwind, and code Playground

HTML

<div>Hello</div>

CSS

div {background: red; width: 100%; height:200px; }

div.zoomed { -webkit-transform: scale(.7); }

/* this works as expected
div.zoomed { zoom: 0.7; };
*/

JavaScript

$('body').click(function() {
    $('div').toggleClass('zoomed');
});