js中验证身份证号码是否正确支持15位和18位身份证号

/*
 * cardRequired.js
 * 身份证号校验&&必填
 * val    value
 * 身份证号合法性验证    支持15位和18位身份证号    //支持地址编码、出生日期、校验位验证
 * Y J
 * 
 */
var cardRequired =function(val) {
    var b = "",
        c = "",
        d = {};
    /*身份证号长度校验*/
    if(!/(^\d{15}$)|(^\d{17}(\d|X|x)$)/.test(val)) {
        return {
            is: false,
 
            tip: "你输入的身份证长度或格式错误!"
 
        }
 
    };
    /*身份证号地址编码校验*/
    if(!/^11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|50|51|52|53|54|61|62|63|64|65|71|81|82|91$/.test(val.substr(0, 2))) {
            return {
                is: false,
                tip: "你输入的身份证号地址编码错误!"
            }
       };
       /*15位身份证号转18位身份证号*/
    var a18 = val;
    if(val.length == ‘15‘) {
        var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
        var arrCh = new Array(‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘);
        var cardTemp = 0,
        i;
        a18 = ""
        a18 = val.substr(0, 6) + ‘19‘ + val.substr(6, val.length - 6);
        for(i = 0; i ) {
            cardTemp += a18.substr(i, 1) * arrInt[i];
        }
        a18 += arrCh[cardTemp % 11];
    }
    /*获取身份证号中的年月日并校验*/
    var re_eighteen = /^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X|x)$/;
    var arr_data = a18.match(re_eighteen);
    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 time = now.getFullYear() - year;
    /*校验年月日是否合理 */
    if(birthday.getFullYear() == year && (birthday.getMonth() + 1) == month && birthday.getDate() == day) {
        if(time >= 0 || time ) {
            return {
                is: "true",
                tip: ""
            }
        }
    };
    return {
        is: false,
        tip: "你输入的身份证号出生年月日不合理!"
    }
}