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javascript - How to assign value to multiple in js into the form of multi-select box below?

If you want to realize the value in multiple, it will change with the changes of province, city and district. I tried many methods to assign values ??to multiple using js, but the value of multiple did not change. Who knows how to solve it? Multiple selections are available in the multiple check box...

天蓬老師 2017-05-19 10:36:21 0  1  834

javascript - Select multiple information to fill in a text box

For example, if you want to search for multiple values ??from the database in a text box and select multiple pieces of information, what is the principle?

為情所困 2017-05-16 13:00:59 0  2  496

How to select multiple checkboxes in Reactjs

I have a list of options in which I want to select multiple checkboxes but am unable to do so, what is wrong with this code? Sandbox URL

P粉950128819 2024-04-06 18:55:21 0  1  841

When uploading pictures on layui mobile phone, you cannot select multiple pictures at one time

I use layui components to upload images. On the computer, I can select multiple images for upload at one time, but on my Android phone, I can only select one image at a time. How can I select multiple images at one time?

XuPing.Yang 2021-04-23 11:19:09 0  0  1378

Need a jquery script to move selected options from a select box based on the end user's current selection

I have an HTML page where the end user can rank our items via a select box element. See the fiddle to see a simple demo: https://jsfiddle.net/Balkanlii/ghecv1j8/1/ I want to build a jquery script that in the event the same ranking is selected a second time (if the end user changes their mind etc.) w...

P粉170858678 2024-04-04 18:40:04 0  1  4041

How to execute second query when first query has no results - MYSQL

How to get results in MYSQL: If the first selection has more than 0 rows, return the results, otherwise return the results of the second selection (not the same table, only one column in both selections). Something like SELECTIF((EXISTS(SELECT COLUMN 1 FROM TABLE 1)),(SELECT COLUMN 1 FROM TABLE 1),(...

P粉998100648 2023-09-16 16:12:30 0  1  1174

javascript - Ask: How to delete selected array elements in Vue (when there are multiple selections)?

The data is simulated. When clicking edit, I want to delete the selected elements. That is, if one is selected, one will be deleted. If multiple are selected, multiple will be deleted, so that each element in the array, By default, there is a checked attribute demonstration address html structure {c...

我想大聲告訴你 2017-05-19 10:35:09 0  3  1188

javascript - Problems with cooperating with background colleagues when modifying multiple options in a form.

The scenario is to modify the records of a form and modify multiple-selected items. When saving, one approach is for the front-end to compare the modified selections with the pre-modified selections, determine which items are added and which items are deleted, and pass them respectively. To the back...

phpcn_u1582 2017-07-05 10:39:59 0  1  915

3 Multiple ways to open image files

①File-Open Select the picture ②Double-click any blank area in Photoshop to open the picture ③Ctrl+o (Close all pictures) File-Close all (Hold Ctrl to select multiple pictures, click multiple pictures; Hold shift to select consecutive pictures)

夜間飛行 2020-08-10 18:25:11 0  0  3512

How can the form content containing multiple selections, radio selections and drop-downs be transferred to the database through ajax (please bring the controller part and model part too)

I'm relatively new, sorry, can you give me an example code? The controller uses the db assistant function to connect to the database. For example, if the following content is in a form, how should it be written?

№ 2020-05-10 18:34:43 0  3  1340

SQL SELECT statement to query multiple tables

How to get all products from customers1 and customers2 (including their customer names)? customer1tablecidname11john2joecustomer2tablecidname2p1sandyp2lindaproducttablepidcidpname11phone22pencil3p1pen4p2paperThe result should be like this pidcidpnamename1name211phonej

P粉680487967 2023-08-24 17:30:36 0  2  670

laravel accept multiple files submitted by form

Code: html:<input type="file" name="img" multiple="multiple" />php:$file=$request->file('img'); Select multiple items through input on the web page After taking the picture, I select the file name to accept in the background, but only one file can b...

世界只因有你 2017-05-27 17:43:30 0  2  934

BeautifulSoup selector: select HTML elements containing multiple words

Is there a way for me to use BeautifulSoup to get the text of a label that contains multiple words? For example, if I have the following HTML: hellotherehiwhat'supstackoverflow... I just want to get hellotherewhat'sup

P粉878510551 2023-08-13 19:25:41 0  1  648

javascript - Problems encountered when passing parameter values ????in form forms in ng

In ng, use the form form to pass parameter values, (ajax, POST request) input and radio selection values ????can be directly obtained, as long as the corresponding field name is bound, now the problem arises. When making multiple selections, it is also bound in this way, but the final result is in t...

巴扎黑 2017-07-04 13:44:28 0  4  935

How to query multiple select elements stored in database

Querying areas of expertise (stored as an array of any selected items) does not work. I'm trying to figure out a way to get registered farmers' areas of expertise when editing. I have two tables. Registered farmers table and professional field table in the database. Specialties are stored in the Spe...

P粉347804896 2024-04-04 13:18:46 0  1  618

Can you INSERT SELECT multiple rows without running select on the same row each time?

If I have a table and need one value from another and the other values ??come from somewhere else, do I have to run the select every time? INSERTINTOtable1(name,otherValue)VALUES(SELECTnameFROMtable2WHEREid=1,outsideValue1),(SELECTnameFROMtable2WHEREid=1,outsideValue2),(SELECTnameFROMtable2WH

P粉304704653 2023-09-07 11:31:14 0  1  570

How to select one item among multiple conditions in Excel

As shown in the figure below, how to set up the function so that when the level changes, the score changes automatically!

華曄李燦明 2021-07-13 10:51:53 0  1  877

jquery - js file is loaded multiple times

During the mobile integration process of the angularjs project, it was found that all js files were loaded twice additionally and timestamps were added when the page was loaded. The initiator was jquery when viewed through chrome. Please tell me what causes this and possible solutions. (Due to plug-...

phpcn_u1582 2017-05-15 16:57:41 0  1  678

python - How to execute multiple SQL statements at once

Suppose there are multiple such statements: {code...} We can summarize it into the format of select xxx from yyy. How to execute multiple such statements at one time in Python, where xxx and yyy are variable .

習(xí)慣沉默 2017-05-25 15:08:08 0  1  2208

Are MySQL views more efficient than complex queries?

I'm having a problem with a SELECT statement using multiple inner joins. My code is as follows: SELECT`movies02`.`id`,`movies02`.`title`,`movies03`.`talent`,`movies07`.`character`,`movies05`.`genre`FROM`movies02`INNERJOIN `movies07`ON`movies07`.`movie`=`movies02`.`

P粉237689596 2024-01-10 17:09:15 0  1  531