JS验证身份证是否有效

    /**
     * 验证身份证
     */
    function check_id_card(value){
        let arrExp = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];//加权因子
        let arrValid = [1, 0, "X", 9, 8, 7, 6, 5, 4, 3, 2];//校验码
        if(/^\d{17}\d|x$/i.test(value)){
            let sum = 0, idx;
            for(let i = 0; i < value.length - 1; i++){
                // 对前17位数字与权值乘积求和
                sum += parseInt(value.substr(i, 1), 10) * arrExp[i];
            }
            // 计算模（固定算法）
            idx = sum % 11;
            // 检验第18为是否与校验码相等
            return arrValid[idx] == value.substr(17, 1).toUpperCase();
        }else{
            return false;
        }
    }

    /**
     * 获取身份证信息
     */
    function get_id_card(id_card){
        var query = new Object();
        query.sex = parseInt(id_card.substr(16, 1)) % 2;
        query.birth = id_card.substring(6, 10) + "-" + id_card.substring(10, 12) + "-" + id_card.substring(12, 14);

        //获取年龄
        var myDate = new Date();
        var month = myDate.getMonth() + 1;
        var day = myDate.getDate();
        var age = myDate.getFullYear() - id_card.substring(6, 10) - 1;
        if (id_card.substring(10, 12) < month || id_card.substring(10, 12) == month && id_card.substring(12, 14) <= day){
            age++;
        }
        query.age = age;
        return query;
    }