I’ve spent hours and read countless stackoverflows but I can’t get this to work. I’ve got a form (Caldera Form in WordPress) that has a submit button (in fact it’s an input tag). Via JS I added an event listener because I want to make a backup of the form data to my database. The event…
Tag: javascript
Ionic Angular Leaflet – performant rendering of many svg markers
I want to render many custom (svg) markers on my map. After my initial research I found a couple of approaches, but none of these seem to be applicable in my case. I’m using ionic/angular 5.0.0 and leaflet 1.7.1. This is what I have: I’d like to replace or customize the leaflet circleMarker with m…
Undefined is not a function (near ‘… map …’)
When I tap in the Pressable element in the JSX I get the error : Undefined is not a function (near ‘… wines.map …’). The log says it’s coming from the wines.map loop in the JSX. I’m unsure on what could be wrong with how I’m trying to change the data in the toggle fun…
React-select multi select update a prop when no value is selected
I am using react-select library to create a multi-selection menu. When there is no value selected I want a certain style width to be used on the div and when a user starts selecting values from the select dropdown, I want this width to be set to null so that the select component can use it’s own auto ad…
React functional component with mapped Child functional component with onClick function
Hi I have mapped some json data named “projectsData” and I am trying to “bind” an onClick event with a setState hook. The mapping works except for the “onClick” does not work when clicking the grid item. In my case I want to update filterproject value with the project.id va…
Why then doesn’t keep the order of the callbacks?
I have the following code: I thought that the output should be first ‘123’ and then ‘should wait’. From unclear reason the ‘should wait’ is printed first. I thought that the second then won’t start until the asynchrony function (setTimeout) won’t finished. I rea…
do you know how to modify the regex to allow one ‘-‘ char at the beginning of the string
i have the existing regex pattern: /^-?(?!0d)d+.?d*$/, Currently the above regex do not allow – char at beginning of the string Do you know how to modify the regex to also allow one ‘-‘ input besides the above existing validation My attempt: but it doesn’t work well. Answer To modify t…
React – Shrink nav image on scroll down of the page
I currently have my nav set up how i’d like, I would just like the logo image to shrink from 91px to 60px when the user scrolls down the page, and then grow back to 91px when they’re at the top. I’ve seen some questions online but none of them seem to work or be specific enough for the solut…
Show div in a row just below clicked button [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 2 years ago. Improve this question So I …
How do I fill a cell in the table dynamically?
How do I fill a cell in the table dynamically after the user selects an option within the column? Inside the select there is an update function and it is working, but I can’t update column two of the line with the data given value of the select. Answer Since the onChange is working, you need to select t…