code: function dispatchEvent(element, type, data) {
    var event; // Event and CustomEvent on IE9-11 are global objects, not constructors
  
    if (isFunction(Event) && isFunction(CustomEvent)) {
      event = new CustomEvent(type, {
        detail: data,
        bubbles: true,
        cancelable: true
      });
    } else {
      event = document.createEvent('CustomEvent');
      event.initCustomEvent(type, true, true, data);
    }
  
    return element.dispatchEvent(event);
  }
docs: Dispatch event on the target element.
  @param {Element} element - The event target.
  @param {string} type - The event type(s).
  @param {Object} data - The additional event data.
  @returns {boolean} Indicate if the event is default prevented or not.