js 按照指定间隔 向字符串中插入随机字符串的实现代码

var getNewString = function (){ var getIc = function (ic){ var arric = ic.split(“,”); randomIc = arric[Math.floor(Math.random()*(arric.length))]; return randomIc }; return function (oc,ic,re){ var reStr = “(.{“+re+”}|.*)”; var reg = new RegExp(reStr,”g”); var ocArray = oc.match(reg) var arrLength =