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javascript - js verification, credit card vs. debit card?

Do both credit cards and debit cards use this Luhm algorithm? In the following paragraph, it seems that some card numbers cannot be determined correctly. Who is doing something similar to this? Can you provide the code? Thank you //Description: Bank card number Luhm verification //Luhm verification ...

ringa_lee 2017-05-19 10:10:36

How do I place a div/card like this?

I'm having trouble positioning a div like the one in the photo. <divclass="cards"id="cards"><divclass="container"><divclass="single"&a

P粉218775965 2023-09-08 16:28:44

$id=$_GET['id'] value cannot be obtained

$id=$_GET['id'] value cannot be obtained

村长 2019-08-03 16:06:19

Display this line if (is_array($_POST['id'])) Undefined index id;

delete.php:<?phpinclude_once("conn\conn.php");if (is_array($_POST['id'])) { $id = join(',', $_POST['id']);} elseif (is_numeric($_GET['id'

1分之二 2018-02-14 15:34:52

Use regular expressions to match id values

I want to find all child nodes of g node whose value is id attribute consisting of: a[number]-[one or more characters]//Example: //-id="a1-a"//-id=" a1-b"//-id="a1-abcd"//-id="a10-f"//-id="a0-z"//-id="b1-a"//Illegal// -id=&qu

P粉757556355 2023-08-30 16:13:18

The difficulty of arranging the cards remains

I'm new to HTML and I've been trying to create a website for a friend of mine in which I'm making cards to display information. Since I've made multiple cards in different sections, I want to align all the cards in their respective sections, but I've been having trouble. First, I tried inline-block ...

P粉766520991 2023-09-10 14:31:47

How does tp5 implement a template request function based on ID and return the name of the requested ID?

How does tp5 implement a template request function based on the ID and return the name of the requested ID [product table]: product-----------------------id | name1 | PC website 2 | Mobile website 3 | Mini program-----------------------[Customer table]: client------------- -----------------------id ...

“橙”-景安服务器** 2018-06-05 14:24:37

Sync by PivotTable ID instead of Model ID

I want to update order products by pivot id using sync method because in my scenario an order can have multiple products with the same id and I want to update the product whose pivot id I am calling and delete other products which I have not updated , but you know from the sync syntax that it accept...

P粉121447292 2024-02-17 15:02:30