Here are two React components: function MainScreen() { const [stopwatches, setStopwatches] = useState([ new Stopwatch('A'), new Stopwatch('B') ]); const [selectedStopwatchIndex, ...

The below block of code works. Component rerenders when state changes from parent (MainBox) export function MainBox(){ const [valuestate, setvalueState] = useState() return( <div&...

Ref interface: // create const count = useRef(0); // update (does not trigger render) count.current = 5; // access console.log(count.current); State variable interface: //create const [count, ...

I'm trying to write a custom React hook that fetches data. It seems to work partially — but loading goes false before data is set, and error is never set even when a request fails. import { useState, ...

I am trying to build a custom form component. In this I use inertiajs useForm hook to automatically load the data into a state (similar to react-use-form). But my problem is, that everytime i type a ...

perms is an array of objects. Each object is: { catg: 'Catg1' serv: ->array of serv objects { checked: false, desc: 'Serv 1' } } On button click, based on ...

I have a parent component where I use state to control the visibility of a child component. If I use a button to open a modal it works, but when I change the state in useEffect child prop = false ...

In my React Native app, I'm having a problem where the setState function is not being recognized as a function. I already inserted the context provider on the App root page and exported the context ...

I try to make some kind of infinite scroll Here is my CodeSandbox setup (first approach) To paginate I made some kind of cursor which keeps last loaded item id in after state variable I use that after ...

I'm trying to compose my own Combobox component using Shadcn ui. In doing this I am using the Command component. I am trying to bind my command input value to React state in Next.js client component ...

I have two files/components: Createrisk.jsx for creating individual risks Tablepage.jsx displays the risks in an MUI Data Grid The problem is Tablepage renders only the attributes from Createrisk ...

I am using monaco-editor and I created a code preview. In the previewer, I want to copy the contents, but everytime I click my copy button, it always rer-renders. What am I missing? or How should I ...

I am using DataTables in a NextJS project. I'm getting data from the backend with: const [rows, setLocalRows] = useState([]); useEffect(() => { if (Array.isArray(initialRows)) { setLocalRows(...

I'm building a React app where I store a boolean value (hasGuessed) in localStorage. This value should reset to false every day at midnight. Currently, I'm using setTimeout to schedule the reset at ...

So I know that the data used in a setState call won't be updated until the next render and have looked up plenty to figure out what to do about that. The best solution I kept finding was to use a ...