JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>
<span></span>

CSS

div {
  height: 200px;
  width: 200px;
  background-color: black;
}

JavaScript

var callback1 = function() {
	$("span").prepend("Callback 1: " +  event.pageX + " " + event.pageY + "<br>");
};

$("div").click(callback1);

var callback2 = function(event) {
	$("span").prepend("Callback 2: " +  event.pageX + " " + event.pageY + "<br>");
};

$("div").click(callback2);