JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">CLICK</a>

<ul>
    <li>A</li>
    <li>b</li>
    <li>Three</li>
</ul>

JavaScript

$('a').on('click', changeStyle );

function changeStyle() {
    $("ul").css("list-style-type", function (i, val) {
      return val === "decimal" ? "disc" : "decimal"
    });
}