JSFiddle - React, Tailwind, and code Playground

JavaScript

if (window.attachEvent)
{
  window.attachEvent('onclick', function () {
      alert("Yay window obj was clicked! IE");
  });

  document.attachEvent('onclick', function () {
      alert("Yay document obj was clicked! IE");
  });
}
else if (window.addEventListener)
{
  window.addEventListener('click', function () {
      alert("Yay window obj was clicked! Non-IE");
  });

  document.addEventListener('click', function () {
      alert("Yay document obj was clicked! Non-IE");
  });  
}