code: function callback(fn, context, event) {
          //window.setTimeout(function(){
          event.target = context;
          (typeof context[fn] === "function") && context[fn].apply(context, [event]);
          //}, 1);
      }
docs: A utility method to callback onsuccess, onerror, etc as soon as the calling function's context is over
  @param {Object} fn
  @param {Object} context
  @param {Object} argArray