JSFiddle - React, Tailwind, and code Playground

by Chris Rebert

HTML

<button type="button" id="btn">Test it!</button>

JavaScript

var btn = document.getElementById('btn');
btn.attachEvent('onclick', function () {
    var e = window.event;
    var message = ('' +
'clientX: ' + e.clientX + '\n' +
'layerX: ' + e.layerX + '\n' +
'movementX: ' + e.movementX + '\n' +
'offsetX: ' + e.offsetX + '\n' +
'pageX: ' + e.pageX + '\n' +
'screenX: ' + e.screenX + '\n' +
'x: ' + e.x + '\n');
    alert(message);
});