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javascript - How to get the custom data attribute value of option using jquery

How to get the custom data attribute value of option using jquery

我想大声告诉你 2017-05-18 10:54:28

Use ASP and PHP to store the value in Cookies variable aa into variable y respectively.

Use ASP and PHP respectively to store the value in Cookies variable aa into variable y. Use ASP and PHP respectively to store the value in Cookies variable aa into variable y. Use ASP and PHP respectively to store the value in Cookies variable aa into variable y. Use ASP and PHP to store the value i...

有为鱼 2019-02-24 11:28:18

angular.js - In angular, use ng-repeat to loop and output a list, then specify a specific parameter value (a numerical value) in the section, and then add the total value of the entire loop section

In angular, use ng-repeat to loop to output a list, and then you need to obtain a specific parameter value (a numerical value) in each loop section, and then add the total value of the entire loop section. The specific code is as follows: {Code... } 55% in the red circle is based on (number of optio...

阿神 2017-05-24 11:31:57

javascript - Use js to write a function that does not limit the number of parameters and is required to return the maximum value among all parameters

Use js to write a function with no limit on the number of parameters and return the maximum value among all parameters.

天蓬老师 2017-05-19 10:27:56

Why use variable names as keys in object properties instead of variable values?

I'm trying to use a Record object with typeTableId=string;. However, when I print the contents of the record object after setting the key/value pair via setTableStateMap(map)... I get the object {id:{...}} instead of the value I passed to the 'id' variable. //App.tsx---------------------------------...

P粉129168206 2023-08-15 14:11:32

How to access value in JS file stored using PHP function

I'm building a custom plugin for a chatbot in WordPress and have written some logic in a JS file to get the API and responses. As a body I'm sending two parameters. One of the parameters is stored in the wp database using a PHP function (my core plugin file). So I want to access this function/path.

P粉590929392 2023-07-29 00:04:23

A smarter approach would be to write a function that uses many conditional statements to return incremental values based on different numerical ranges

I'm trying to write a function that returns a specific value if the input is within a certain range of numbers. Normally, I would write a series of if/elseif statements to accomplish this task. However, I'm dealing with a large number of ranges, so writing out 30+ if/elseif statements seems ineffici...

P粉311464935 2023-08-17 23:18:09

Get the calculated value of a CSS variable using a calc-like expression

In JavaScript, you can get the value of a CSS variable using getPropertyValue(property). This function is useful for retrieving variables declared in :root blocks. :root{--example-var:50px;} However, if this variable expression contains a calc-like function, the getPropertyValue call will return the...

P粉111627787 2023-10-25 09:39:36

Regular expression to validate numbers didn't work before I used

I want to use regex to validate my numbers before using them, but it's not working. I want the first number to start with 0, followed by 2 or 5, then 4 and the rest continuing up to 10 digits. <?php$str="0241310102";$pattern="([0]{1}[2,5]{1}[4]{1}[0-9]{7})";if(preg_match( $pat...

P粉690200856 2023-09-13 15:00:59

Can I use PHP's array_search() function to search for situations where the values themselves are arrays?

I have a class that contains static string keys and values as arrays. If a specific array value exists, I want to get its key. I thought the code using the array_search() function would do it, but it cannot find the value and prints false instead. I thought the "strict" parameter might s...

P粉798343415 2023-07-19 23:47:04

Use ReactJS TypeScript MUI, use useState to set the value of TextField and add onchange event function for TextField

I'm a newbie developing with ReactJS and MUI and have a ReactJS TypeScript form with MuiText fields. Want to be able to use the useState method to change the value of a text field. Also add the onchnage function for the text field. I can add onchange function for normal textfield but not sure how to...

P粉212114661 2023-08-28 21:44:31

How to use React's useState to modify the value of a constant?

This is the syntax I'm using. const[count,setCount]=useState(0);consthandleIncrement=()=>{setCount((count+1));}; I understand that setCount is creating an instance of count, but I really don't understand if count is an The constant, how it is changed, or if it is an instance, how it is called and...

P粉098979048 2023-09-12 23:29:34

How to return key-value pairs from map function using spread operator

I have an object and an array. Assume: constfirst={'key1':'somedate','key2':'somedate'} constsecond=['key3','key4'] Then use extended syntax to merge them into a single object. For each item in the array, I want to create a new key-value pair and put it into this merged object. Currently, I can only...

P粉253800312 2023-08-13 17:18:34

javascript - After the jquery object is defined as a jquery variable, how to use: gt this (there may be a problem with the expression)

$("li:gt(2)") can be used, but a long time ago I saw a jquery variable converted to XX and then used: gt(2), such as var $li=$("li") , I need to use: gt(2) based on the $li variable. I don’t know if you understand what I mean. I am urgently looking for an answer. I wrote this a l...

黄舟 2017-05-16 13:35:42

Use useState hook to maintain persistent values across multiple function calls

I'm calling the "deleteDepartment" function on a button to delete department rows in a table. Get the selected row index from the table (I'm using shancn table using tanstack table) in "selectedRows" hook (pass setSelectedRows as prop to the table component which gets the value f...

P粉006540600 2023-08-14 13:33:49

javascript - jquery uses the for method to obtain the page attribute value of a repeated name and cannot get help.

The situation is as follows: I have a form that needs to dynamically add input items, and the name of each input item is the same. Since non-null verification is required, consider using jquery to obtain the value of each element and judge it. The code is as follows: $("#reg").click(functi...

PHPz 2017-05-19 10:17:03

javascript - elementui input with prompt box select parameter passing problem

I recently used elementui for a project and encountered some problems. Requirement: After selecting the prompt content, assign a value to the id of the corresponding row in the datatable (the background requires the id to be passed, not the input value). Question: Custom table nesting with prompt in...

阿神 2017-07-05 10:42:44

Importance of Ajax add to cart button with custom fields on single product page

I'm trying to edit the "Add to Cart" button for a single product page. Successfully added a custom ajax call using LoicTheAztec's solution. The code runs just fine. However, I need to change $product_id in the solution's code to the product's custom field value, which is "custom_id&qu...

P粉959676410 2023-09-01 16:28:19

How to use multiple filters with the Google Analytics Data API (GA4) using PHP

So that's my first question, I'll try to follow the community rules. I'm trying to use multiple filters in GoogleAnalyticsDataAPI (GA4) using PHP. I've successfully been able to use a filter and display it in a custom dashboard. Below is the code to get the url data starting with the value: /133. Th...

P粉704196697 2023-11-04 14:39:38

javascript - vue2.0 dynamically loads multiple identical components, enters different values into the data in the components, and when closing the non-last component, the value destroyed is the last component value.

Vue2.0 dynamically loads multiple identical components and enters different values into the data in the components. When closing the non-last component, the value destroyed is the last component value. Component loading method: component is an array. Obtain the component to be rendered through a c...

黄舟 2017-07-05 11:00:36