JSFiddle - React, Tailwind, and code Playground

HTML

<button id="but" >button</button>
<div id="res"></div>

JavaScript

$(document).ready(function(){
    $(document).delegate('#but', 'click', buttonClick);
        
    function buttonClick() {
        $('#res').hide().html("BUTTON!!!").fadeIn('fast');
        alert("Hello!");
    }
});