js中for循环创建多维数组需要每个都定义

    var timeList=new Array();
    var timeListArr=new Array();
    for (var i = 0; i < Num; i++){

       timeList[i] = bgTimeH + ":" + bgTimeM;

      timeListArr[i]={};//重点
      timeListArr[i].time = timeList[i - 1] + "-" + timeList[i]
    }