node: 20.15.1 jest: 29.7.0 jest-environment-jsdom: 29.7.0 const response = await fetch(url, { signal: AbortSignal.timeout(5000) }); I want to unit test the above line of javascript using Jest. Specifically the timeout behaviour. But is that actually possible? No matter what I…
I have a json objects containing dynamic properties and want to export it to excel(using javascript) such that excel recognizes date string(2020-03-13) as date object(I don't know type of any json key, so I can't use type neither format, date…
CSB link: https://codesandbox.io/p/sandbox/74mhkd Observation I create two similar inputs in the sandbox. The first one is the most common, and it works as expected. const [value1, setValue1] = useState("first"); <input value={value1} onChange={(e) => { setValue1(e.target.value); }} /> Then, for the…
im tring to call this hook but im receiving this error Possible Unhandled Promise Rejection (id: 6): Error: Invalid hook call. Hooks can only be called inside of the body of a function component. this is my code: const handleEvento…
I'm working on creating a pixel-based light in the dark simulation with JavaScript to improve my coding skills. The goal is to create a bubble of light around the cursor as it moves. I'm only rendering a small portion around…
Consider following code snippet: <script> let a=1; console.log(a); //prints 1 </script> <script> console.log(a); //prints 1 </script> I want to ask if a is block scoped due to the declaration by let which means it is scoped to single <script> tag…
I have a little problem to add some element in place into an array. I'm trying to add after the last lowercase letter that is z the uppercase letter of the alphabet. I'm using this code. I've noticed that the…
How to make a signature pad canvas in signature-pad.js work responsively? My challenge is the following: I either get the cursor positioning while drawing correctly but lose the input on resize // OR // I save the input while resizing…
I have a Scheme interpreter written in JavaScript called LIPS. It's all ES Module. But as part of the standard library I've created require function that use code like this: import { createRequire } from 'module'; const require = createRequire(import.meta.url);…
I have a TypeScript library that, under given conditions, should redirect to an error page. One way would be using the internal Astro global object, like with Astro.redirect('/404'). Unfortunately, Astro seems not accessible when rendering MDX pages. Here is a…