python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - use-effect

React useEffect dependency not triggering from async callback

I've tried to break this down to it's simplest components to understand why the useEffect in ButtonStatus is not updating when the state of eventDataId is updated in the processClickButton function of...
test-img

WrightCode

javascript

reactjs

react-hooks

use-effect

Votes: 0

Answers: 1

Latest Answer

It seems you are wanting the useEffect hook in ButtonStatus to run when the eventDataId state in the parent ButtonView updates. When the state in the parent updates it will trigger a rerender, and thu...
test-img

Drew Reese

Making a useEffect cleanup for multiple axios calls in React Native

I am trying to make an axios call to a video game database with a URL specific to the chosen option by the user. Depending on the 'opt' chosen, it will get all the data linked to the option and place ...
test-img

GameOn_Jon

react-native

react-hooks

axios

use-effect

Votes: 0

Answers: 1

Latest Answer

You might want to update react state when the component is mounted. export const useIsMounted = (): { readonly current: boolean } => { const isMountedRef = React.useRef(false); React.useEffect(...
test-img

Tarik

React Jsx set checked state to false (reset button)

Here I'm trying to reset selected radio buttons on this list, however it doesn't work because I previously change input check from {checked} to {user.checked}. Refer from UserListElement.tsx below The...
test-img

hans1125

javascript

reactjs

checkbox

react-hooks

use-effect

Votes: 0

Answers: 2

Latest Answer

The real answer to this question is that the state should NOT be held within your component. The state of checkboxes should be held in UsersList and be passed in as a prop. export const UserListElemen...
test-img

Adam Jenkins

How do I avoid unnecessary setState usage when receiving real-time user posts from Cloud Firestore?

I structured the feed and follow system according to the answer in the link below. https://stackoverflow.com/a/52153332/11427790 However, I have to use unnecessary setFeed method when receiving posts ...
test-img

Süleyman Şentosun

reactjs

google-cloud-firestore

use-effect

feed

real-time-updates

Votes: 0

Answers: 0

Posts

Questions

Blogs

Jobs