Category "javascript"

Cannot read properties of null (reading 'pulsate') in material-ui Button component

This is version of material-ui that I am using : "@mui/icons-material": "^5.5.1", "@mui/material": "^5.5.1", This is how I imported Button component : import B

How can I select a square of cells (any size) and snap to grid?

How can I add a mouse event to select a range (up and down/left and right) of cells in my grid? <!DOCTYPE html> <html lang="en"> <head>

Prevent going to the previous page on browser back button

I have a Next.js / React.js project I'm working on and I'm trying to redirect to a certain page when browser's back button is clicked. My approach is as follows

How do I fix with Next JS and Antd Design Styling not working?

Whenever I try to style Antd Design component ( Layout, Sider and so on ) but it doesn't seems to be working. Therefore there won't be any changes on them. But

Why is focus-visible applied on page load

If I understand correctly, focus-visible is only applied to an element if it is focused because of a keyboard interaction. However, in the following example, if

Delay page reload only in JS when form is validated

Hope you're well ;) My problem: In a form, I would like, when it's validated, to apply a delay of 3 seconds to the click before sending and reloading the page i

Autoplay Youtube video with sound on?

I have been looking all over the place and never found an answer to this question. It's either you have autoplay and no sound. Or with sound but without autopla

How do I filter or re/assemble and collect data-items where each of an item's many color values meets a certain condition?

I have this sample data and I wanted to filter it where the colors are less than 20 or equal to 20: const data = [ { name: "Item1", colors: { green: 8 } },

create image data in javascript

I want to create a black (or white, I really don't care the "colour") 1x1px image in javascript, I tried doing it with var img = new Image(1,1) but I don't know

Spying on property changes with Sinon

I am stubbing properties with sinon. I have trouble understanding how the related spying works. Most of the sinon spy methods seem to be related to function cal

ANgular- Is it possible to add Mat-Paginator in regular table?

I made a regular HTML table in angular, whose data comes from API. I want to add mat-paginator in it. This is my code: <table class="table" style="text-align

ajax update the status so i can see the status of instered data

I have a working a ajax call thats get data form a file and load in to database. $.ajax({ xhr: function() { // Download progress

Check duplicate value in localstorage

I want to check if a id exist in database it will just simply replace it. When i try to do that it is adding the same id. addEntry = (e,id) => { e.preventD

Jquery Repeater Execute a function before creating new row

Hi I have a form that implements jquery-repeater. Code was working fine and somehow it has stopped functioning properly. Basically I have 2 different pages 1 fo

Convert JS object to JSON string

If I defined an object in JS with: var j={"name":"binchen"}; How can I convert the object to JSON? The output string should be: '{"name":"binchen"}'

Is there a way to alert when the right cell is chosen? Javascript

I have to make this game as an assignment for school, it is a simple game you just have to choose the right cell in the table. I was wondering how i am able to

How should I add error handling to the constructURL function

I'm working on a project that is helping me to learn about JavaScript for an incoming internship that I have. In the constructURL function I'm using an if-else

How to get the time spent on a tab in Chrome? [duplicate]

I am working on a chrome extension, and I need the time spent on each tab. I'm using chrome.tabs api.

How to collect multiple message in a loop using awaitMessage?

Im trying to create a game command in which players need to guess where the cat is among a number of boxes. The basic concept was done but I somehow can't colle

Angular 7 shared service for siblings component to get data from other sibling

In my Angular 7 app I have two sibling componentns... configurator component and custom stepper component. In configurator component I have some functions that