Web Front-end
JS Tutorial
js second generation ID card number verification mechanism code_javascript skills
js second generation ID card number verification mechanism code_javascript skills
Due to the extremely fast response speed, it is certain that the accuracy is not verified online. This means that in addition to the well-known rules for indicating birthday and gender, the second-generation ID card also has other self-verification rules. So I opened the source code of the page and found that this js was not compressed, so the rules were easy to understand.
Just here to popularize the science for everyone, I don’t know if it is Mars, haha.
The following code comes from here, and the copyright belongs to Shanda. Of course, you can also find a more detailed introduction and algorithm in Wikipedia.
iW = new Array(7,9,10,5 ,8,4,2,1,6,3,7,9,10,5,8,4,2,1);
iSum = 0;
for( i=0;i<17; i ){
iC = v_card.charAt(i);
iVal = parseInt(iC);
iSum = iVal * iW[i];
}
iJYM = iSum % 11;
var sJYM = '';
if(iJYM == 0) sJYM = "1";
else if(iJYM == 1) sJYM = "0";
else if(iJYM = = 2) sJYM = "x";
else if(iJYM == 3) sJYM = "9";
else if(iJYM == 4) sJYM = "8";
else if(iJYM == 5) sJYM = "7";
else if(iJYM == 6) sJYM = "6";
else if(iJYM == 7) sJYM = "5";
else if( iJYM == 8) sJYM = "4";
else if(iJYM == 9) sJYM = "3";
else if(iJYM == 10) sJYM = "2";
var cCheck = v_card.charAt(17).toLowerCase();
if( cCheck != sJYM ){
return false; //If it doesn’t match, it’s a fake number
}
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
How to use Python regular expressions to extract ID number
Jun 22, 2023 am 10:35 AM
In the process of data processing, it is often necessary to extract information in a specific format from text. As a relatively common piece of personal information, ID number is often used in data processing. You can use Python regular expressions to easily extract the ID number and perform certain verification on it. The ID card number is composed of 18 digits, including the region, date of birth, check code and other information in the ID card number. In Python, we can use the regular expression function of the re module to extract the ID number. head
PHP regular expression to verify whether the input string is in the format of ID number or passport number
Jun 24, 2023 pm 12:11 PM
ID number and passport number are common document numbers in people's lives. When implementing functions involving these document numbers, it is often necessary to perform format verification on the entered numbers to ensure their correctness. In PHP, regular expressions can be used to achieve this function. This article will introduce how to use PHP regular expressions to verify whether the input string is in the format of an ID number or passport number. 1. ID card number verification The ID card number is composed of 18 digits and the last digit may be a letter (check code). Its format is as follows: the first 6
PHP regular expression to verify birthday information of ID number
Jun 24, 2023 pm 02:22 PM
The ID number is an identity proof tool that we often use in our daily lives, and the birthday information contained in it is also very important. When using PHP to verify ID numbers, we often need to determine whether the birthday information is correct. This article will introduce how to use PHP regular expressions to verify the birthday information of the ID number. 1. The basic format of the ID number. The ID number is a string composed of 18 digits and letters. The last digit may be a number or a letter, and may be uppercase or lowercase. The first 17 digits are the owner of the ID card
How to use PHP regular expressions to verify whether the input string is the correct ID number, passport number or Hong Kong and Macao pass format
Jun 24, 2023 am 10:36 AM
ID cards, passports and Hong Kong and Macao pass numbers are all important personal identity certificates. In order to ensure the security of personal information, we need to verify in the system whether the ID number entered by the user complies with the standard format. PHP regular expressions are a very powerful tool that can easily achieve this purpose. This article will introduce how to use PHP regular expressions to verify the ID number, passport number and Hong Kong and Macao pass number entered by the user. 1. ID card number format verification The ID card number is an 18-digit number, and the last digit may be a number or the letter X. identity
How to use regular expressions in Go language to determine whether a string is a legal ID number
Jul 13, 2023 pm 07:55 PM
How to use regular expressions in Go language to determine whether a string is a legal ID number. The ID number is a unique identifier for each Chinese citizen and is also an important basis for identifying individuals in all aspects of society. In data processing, it is often necessary to determine whether a string is a legal ID number. This article will introduce how to use regular expressions in Go language to determine whether a string is a legal ID number. In Go language, using regular expressions requires introducing the regexp package. The following is a regular expression to determine the ID number
PHP regular expression practice: matching ID number
Jun 23, 2023 am 10:24 AM
In daily development, there are many scenarios where ID numbers need to be matched. The ID number is a fixed format, but each province has slightly different rules, so a specific regular expression is needed to match. PHP is a widely used programming language that provides built-in regular expression functions and classes that can easily match ID numbers. This article will introduce how to use PHP regular expressions to match ID card numbers. ID card number format The ID card number consists of 18 digits and a check code, where the check code
PHP regular expression method to verify the validity and gender of ID number
Jun 24, 2023 am 09:36 AM
The ID number is an important symbol for the identification of residents in our country, and it can be used for identity verification on many occasions. In the application, in order to ensure the validity and accuracy of the ID number, it needs to be verified by regular expressions. This article will introduce how to use PHP regular expressions to verify the validity and gender of the ID number. 1. The composition and rules of the ID card number The ID card number consists of 18 digits or 17 digits plus a 1-digit check code. Among them, the first 17 digits represent the ID card holder’s information, and the last 1 digit represents the verification code, which is used to verify the ID card.
PHP regular expression to verify the format of ID number
Jun 24, 2023 am 11:20 AM
The ID number is a very important identification document in our lives. It is also necessary information that we often need to fill in in various business transactions. Therefore, when developing web applications, it is very important to verify the correctness of the ID number. In PHP, we can verify the format of the ID number through regular expressions. Below we will introduce in detail how to use regular expressions to verify the format of the ID number. 1. ID card number format The ID card number consists of 18 digits and the letter X. The first 17 of them are
