My app is trying to upload files to S3. S3 upload works fine. The problem is that after imageUpload returns, in handleSubmit(), it claims that the return value for imageUpload() is undefined. I suspect that it has to do with async/await, which I’m not too familiar with. Can any expert explain what IR…
Tag: javascript
How to Set Leaflet Map’s Zoom to Show All Markers in React Leaflet?
I have a React Leaflet map that needs to change its center and zoom when given a set of markers. The zoom should be changed such that all the markers are visible. This change of view is currently being attempted using the function ChangeView. Using my code below, I am able to move the map view, but not able t…
PaddingLeft of afterFit does not work during chart.js option
I want padding at the beginning of the X-axis as shown in the image below. But padding doesn’t work in my code. What’s the matter? enter image description here My Chart Screen enter image description here Chart.js Version 2.9.4 here is code html javascript I want padding at the beginning of the X-…
How to check if a function is running in worker thread in node?
I am trying to use worker_threads in node to run some expensive calculation without blocking the main thread. Is it possible to check if the function is actually running in worker thread, just like using the performance tab in browser devtool? Answer If the worker thread is running blocking code which is pres…
Passing parameters to event handler from a functional component without using inline syntax
I have following code where I need to pass index value to the event handler which I am getting as a prop from another component. How can I achieve this without using the inline syntax, as inline syntax is not considered as a good approach since it may lead to the creation of new function each time the compone…
Javascript: multi level menu slide on button click
Could you help me with this code? I would like to make a menu slide with multi level but the element “slide-panel” is not showing up… Answer I’m not a big fan of mixing pure javascript with jquery .. so the next code is in jquery .. Also I prefer to use add/remove/toggleClass instead o…
PHP and 2 lists, why the $_POST() is not using the name tag…?
I’m trying to use the following code (https://codepen.io/enogrob/pen/OwjrGy) in my form and running into an issue with the $_POST() not pulling the name”” tag, it references the value”” tag which in this case isn’t helpful. The 1st SELECT: The select code looks like this: a…
Creating a Function to Process an RSS Feed in Google Sheets
I am trying to create a function that I can import into Google Sheets to view the latest bills from this website. A problem that I am having is that when I create only one variable to be appended to the Google Sheet this code will work and append the first cell. But when I create multiple variables using the
how to toggle between two css classes view types with react
I have a List and Grid type display. How do I toggle between them in React. I want to toggle between jsGridView and jsListView classes. This is the vanilla js of the toggling of classes ** this is my react file where I have the display items and buttons to toggle. how do I implement the toggle event listeners…
Add value from textbox to counter
I’m learning javascript and I want to create a simple clock. I want for user to be able to change minutes by entering a number in textbox and pressing a button, so when that number is displayed and when the seconds are counted to 60, that displayed number increase by 1, my code won’t work, help pl…