JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    background:red;
    height:100px;
    width:150px;
}

JavaScript

$('div').toggle(
    function(){
        $(this).css('background-color', 'blue');
    },
    function(){
        $(this).css('background-color', 'red');
    });