js代码一体函数方式精准校验身份证号，含15位、生日、省份校验

function isjsSfz(card) {

	/*[001]------检查号码是否符合规范，包括长度，类型*/
	/*身份证号码为15位或者18位，15位时全为数字，18位前17位为数字，最后一位是校验位可能为数字或字符X*/
	var reg = /(^\d{15}$)|(^\d{17}(\d|X)$)/;
	if (reg.test(card) === false) {
        return false;
    }


    /*[002]------前两位校验省份*/
    var aIdentityCode_City = { //城市代码列表
        11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林",
        23: "黑龙江 ", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西",
        37: "山东", 41: "河南", 42: "湖北 ", 43: "湖南", 44: "广东", 45: "广西", 46: "海南",
        50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏 ", 61: "陕西", 62: "甘肃",
        63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外 "
    };
    var province = card.substr(0, 2);
    if (aIdentityCode_City[province] == undefined) {
        return false;
    }


    /*[003]------检查生日是否正确，15位以19年份来进行补齐*/
    var len = card.length;
    //身份证15位时，次序为省（3位）市（3位）年（2位）月（2位）日（2位）校验位（3位），皆为数字
    if (len == '15') {
        var re_fifteen = /^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/;
        var arr_data = card.match(re_fifteen); // 正则取号码内所含出年月日数据
        var year = arr_data[2];
        var month = arr_data[3];
        var day = arr_data[4];
        var birthday = new Date('19' + year + '/' + month + '/' + day);
    }
    //身份证18位时，次序为省（3位）市（3位）年（4位）月（2位）日（2位）校验位（4位），校验位末尾可能为X
    if (len == '18') {
        var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/;
        var arr_data = card.match(re_eighteen); // 正则取号码内所含出年月日数据
        var year = arr_data[2];
        var month = arr_data[3];
        var day = arr_data[4];
        var birthday = new Date(year + '/' + month + '/' + day);
    }
    var now = new Date();
    var now_year = now.getFullYear();
    //年月日是否合理
    if (birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
        //判断年份的范围（0岁到150岁之间)
        var time = now_year - year;
        if (time >= 0 && time <= 150) {
            return true;
        }
        return false;
    }


    /*[004]------校验位的检测*/
    var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
    var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
    if (card.length == '15') {
        var cardTemp = 0, i;
        card = card.substr(0, 6) + '19' + card.substr(6, card.length - 6);
        for (i = 0; i < 17; i++) {
            cardTemp += card.substr(i, 1) * arrInt[i];
        }
        card += arrCh[cardTemp % 11];
    }
    var len = card.length;
    if (len == '18') {
        var cardTemp = 0, i, valnum;
        for (i = 0; i < 17; i++) {
            cardTemp += card.substr(i, 1) * arrInt[i];
        }
        valnum = arrCh[cardTemp % 11];
        if (valnum == card.substr(17, 1)) {
            return true;
        }
        return false;
    }

    return true;
}