console.clear();
function logEvent(evt) {
  // Uncomment to log a line every time an event is fired.
  //console.log(evt.target.id, evt.type, evt);
}
function showEvents(a){
  console.log(a);
  a.addEventListener('beginEvent', logEvent);
  a.addEventListener('endEvent', logEvent);
  a.addEventListener('repeat', logEvent);
}
console.log(document.querySelectorAll('.animation'))
Array.prototype.slice.call(document.querySelectorAll('.animation')).forEach(showEvents);