peacefulseeker

 //http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
 Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);

peacefulseeker

const listeners = (function listAllEventListeners() {
  let elements = [];
  const allElements = document.querySelectorAll('*');
  const types = [];
  for (let ev in window) {
    if (/^on/.test(ev)) types[types.length] = ev;
  }

  for (let i = 0; i < allElements.length; i++) {
    const currentElement = allElements[i];