JSFiddle - React, Tailwind, and code Playground

HTML

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

JavaScript

$(document).ready(function(){
    
    $('#but').on('click', function() { buttonClick(); });
        
     buttonClick = function() {
        console.log("Hello!");
        $('#res').html("BUTTON!!!").fadeIn('fast');
    };
});