var?delegateEvent?=?function(target,event,fn)?{????????addEvent(document,event,function(e)?{??????????????if(e.target.nodename?==?target.toUppenCase())?{???????????????????fn.call(e.target);??????????????????}??????????}???}
fn.call(e.target);執(zhí)行了什么操作呢
_喜歡
2017-10-13 17:20:59