JSFiddle - React, Tailwind, and code Playground

HTML

<button>sayHello</button>

CSS

botton {
    background: rgba(0, 200, 0, .4);
}

JavaScript

var sayHello = function (event) { alert("Hello aaa "+event.data.name); }
$("button").on("click", { name: "kazu69" }, sayHello);