JSFiddle - React, Tailwind, and code Playground

HTML

<button type="button" class="lines-button x tcon-transform">button</button>
<div id="qwe"></div>

JavaScript

$(document).ready(function() {
	 $("#qwe").text($("button").attr("class"));
   $(window).resize(function(){
    var windowWidth = $(window).width();
    if(windowWidth > 768)$("button").addClass(" ");
    else $("button").removeClass(" tcon-transform");
	 $("#qwe").text($("button").attr("class"));
  });
});