js验证身份证号码

if(this.shenfenzheng !== ‘‘){
                    if(typeof this.shenfenzheng !== ‘string‘) layer.msg(‘非法字符串‘);
                    var city = {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 birthday = this.shenfenzheng.substr(6, 4) + ‘/‘ + Number(this.shenfenzheng.substr(10, 2)) + ‘/‘ + Number(this.shenfenzheng.substr(12, 2));
                    var d = new Date(birthday);
                    var newBirthday = d.getFullYear() + ‘/‘ + Number(d.getMonth() + 1) + ‘/‘ + Number(d.getDate());
                    var currentTime = new Date().getTime();
                    var time = d.getTime();
                    var arrInt = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
                    var arrCh = [‘1‘, ‘0‘, ‘X‘, ‘9‘, ‘8‘, ‘7‘, ‘6‘, ‘5‘, ‘4‘, ‘3‘, ‘2‘];
                    var sum = 0, i, residue;

                    if(!/^\d{17}(\d|x)$/i.test(this.shenfenzheng)) layer.msg(‘非法身份证‘);
                    if(city[this.shenfenzheng.substr(0,2)] === undefined) layer.msg("非法地区");
                    if(time >= currentTime || birthday !== newBirthday) layer.msg(‘非法生日‘);
                    for(i=0; i<17; i++) {
                        sum += this.shenfenzheng.substr(i, 1) * arrInt[i];
                    }
                    residue = arrCh[sum % 11];
                    if (residue !== this.shenfenzheng.substr(17, 1)) {
                        layer.msg(‘非法身份证‘);
                        return false;
                    }
//            return city[ID.substr(0,2)]+","+birthday+","+(ID.substr(16,1)%2?" 男":"女")
                }