I am working on a program that relies heavily on web workers. But I am unable to get them to function as required. This is just a minified example but the format is more or less similar. I have 4 files: index.html index.js worker.js hello.js The worker should output “Worker Started”. When the butt…
Tag: html
Testcafe: Click on checkbox inside a virtual element (#document)
So here is the HTML section that describes my reCAPTCHA element and the blue coloured part is the one I’m trying to access: I am aware that for the reCAPTCHA elements there are other workarounds. But I’m curious if it is possible just to click on the checkbox because the test does anyway not appea…
How to change text using arrays and DOM
So my proyect has the task that every time the siguiente button is clicked the text will change. So far, I have maneged to do that manupulating the DOM. But I have an array historia that I would like to use in order that, every time the button Siguiente is clicked the text of the html element would change. An…
How do I write html for form with multiple questions that use radio input type?
I have this quiz in multiple choice format where users can select one option per question and submit their answers at the end. This example shows what I’m trying achieve: [Example code w3school][1] The problem I’m having is that selecting an option on a question de-selects any previous selection, …
AJAX Post Function without form Not Reset
Hello i’m kinda confused with ajax POST method, i try to make api request and since the respond have a similar parameter i make it as one global function so it can be use by my other html / js in other page, i know that the ajax post will make the function required to refreshed. but i don’t know
Vertical alignment of ::after pseudo elements
When I place svg image next to text, with vertical-align: middle;, then it aligns pretty nicely. However, if I use svg in the ::after pseudo-element, then the results are not as expected. Furthermore, when I click on text to remove its content, then remaining svg element still keeps its unaligned position: He…
How to add google map markers based on element entries when user changes it
I am a student who learns web development. I want to add google map markers based on select element entries. So I have created following HTML code to create dropdown list. To get user input value in every change, I have following JavaScript code. The window.cityName is the global variable which I used to get …
Fixing Uncaught TypeError: Cannot read properties of undefined (reading ‘style’)
I’m trying to make a slideshow in my react app. I’m using the below function for the slideshow. When I run the code the slideshow works. But as soon as I refresh the page all the contents in the page disappears and I get the following error in my console. I’m not quite sure why it stops work…
Django : Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0
Error When Click Button for send data. Please Helping me to solve problem. Error When Click Button for send data. Please Helping me to solve problem. Error When Click Button for send data. Please Helping me to solve problem. detail.html view.py Answer JavaScript view.py Getting Error like that JSONDecodeError…
attributeChangedCallback() always called twice ending up with multiple event listeners
Playing around with custom elements, I’m trying to get a click event fired depending on custom element attribute’s value. But using the attributeChangedCallback() method (along with the connectedCallback() method) I’m ending up with multiple event listeners. Why is the attributeChangedCallba…