code: function typeCallback (callbackArray) {
          this._typeCallback = null;
          var callback;
          for (var i = 0, count = callbackArray.length; i < count; i++) {
              callback = this.$normCallback.call(this._context._tpl, callbackArray[i]);
              callNormalizedCallback(callback, this._domElt.value);
          }
      }
docs: Callback for the type event timer.
  @private
  @param {Array} callbackArray Array whose entries are of type aria.core.CfgBeans:Callback. They are the handlers
  for the type event.