身份证获取性别和出生日期

function(idCard){
    var info = {birthday: '', sex: ''};
    info.birthday = idCard.substring(6, 10) + "-" + idCard.substring(10, 12) + "-" + idCard.substring(12, 14);
    info.sex = idCard.slice(14, 17) % 2 ? "2" : "1";
    return info;
  };