根据身份证计算年龄方法

// 根据身份证计算年龄
function IdCard(value) {
    var myDate = new Date();
    var month = myDate.getMonth() + 1;
    var day = myDate.getDate();
    var age = myDate.getFullYear() - value.substring(6, 10) - 1;
    if (value.substring(10, 12) < month || value.substring(10, 12) == month && value.substring(12, 14) <= day) {
        age++;
    }
    return age;
}