I am trying to access the students variable by putting its value in a state then accessing that state in my handler function but it always returns an empty array. const students = useSelector((state) => state.students); useEffect(() => { setdata(students);…
Simplified code that I am using: import { useState, useEffect, useContext } from 'react' import { useRouter } from 'next/router' import { firestore } from './firebase-config' import { getDoc, doc } from 'firebase/firestore' export default function HomePage() { const router…
I've got an app with 2 values that user can change stored as state. When they're changed I do some processing in useEffect and also store output of this processing in state and render it. At this point everything is…
i have a doubt about React hook, his props and useEffect. In my component, i receive a list inside props, i must filter the received list and get a value from the list before the component is mounted. (this code…
i'm doing the delete row option for my table with data of a api and the delete request works well but i have to refresh the page to update my rows do you know why and what can i do…
Hello Guys! So in my Project, I do a fetch data function in useeffect but when I add a new element to the firestore I want that the useEffect to run again so in the list will contain the added…
I need help with the async nature of Async storage and axios api. Here's the functionality that I am trying to achieve -> send request to two separate api to get some data. display that data on the screen with…
I am practicing useContext hook with Next.js if it matters and created a small site that changes background color of <Paragraph></Paragraph> element for printing text and <Button></Button> element to change theme. I organized it with <Layout /> where button and…
I am new to react and this is a very simple counter that increments value by 5, I learnt that useEffect is executed after every component re-render/dependency variable change. But I found that useEffect (i.e alert) is appearing before the…
I have started my news project developing using React js. Unfortunately I have an issue. I am using axios for data fetching. I am making a request and I have an error in the console. I tried to use useState…