我想在target.addEventListener(type,listener,useCapture)的侦听器方法中确定useCapture的布尔值。有没有办法做到这一点,或者这是可能的?target.addEventListener(type, listener[, useCapture]);{
//Determine the false of
*********** GENERAL FUNCS ********************************/function AddEvent(elm, evType, fn, useCapture= false; elm = null;}
var eventParams = new EventParams(elm, evType, fn, <