[HTML] pobierz, plaintext 
if (window.addEventListener) {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
  }
 
  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');
 
    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }
 
    var respondersForEvent = registry.get(eventName);
<!--error-->Uncauht TypeError:Cannot call method 'get' of undefined<!-- error -->
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }
[HTML] pobierz, plaintext