I am using a useEffect hook with two depencies as follows: useEffect(() => { ..... }, [apiData, currentMeasurements]); Note that, the apiData is obtained through useLazyQuery of apollo/client. Now upon save (say, saving or submission of form), two dependencies change…
I've code below. console.log from useEffect shows current "files" value, but console.log from handleInputChange function always show previous value. I understand this is because of async setState behavour, but I don't understand how to make it work. import React, {…
i am updating my state on onClick Func but its not updating , This is my State const [loading, setLoading] = useState(false); my OnCLick func const handleBookmarkButtonClick = () => { setLoading(true); //rest code...including an async func }; console.log("loading":loading); the…
i am creating a chat application, where message variable is coming from another component. i want to filter the messages according to their room id so i used useEffect to update the roomMessage variable everytime message updates. the message variable…
I want to render login and registration link on my header when user is not logged-in and logout link when user is logged-in. I make a state for storing the status of user login status and calling dispatch function before…
import './App.css'; import Axios from 'axios'; import {useState} from 'react'; function App() { const [name, setName] = useState(''); const fetchData = () => { Axios.get(`https://api.agify.io/?name=${name}`).then((res)=> { console.log(res.data) }) } return ( <div className="App"> <input placeholder='Ex. John' onChange={(e)=> {setName(e.target.value)}}></input> <button onClick={fetchData()}>Predict…
I am new to React, so apologies about the probably simple question. Assume I have the following code: const myComponent = () => { const [someVar, setSomeVar] = useState(0); // Other code useEffect(() => { // Do something }, [someVar]);…
I made custom useFetch hook that is responsible for sending request to the API. Hook returns object with isLoading state, error state and function that triggers fetch request. Problem is when i use it in component and i trigger sendRequest…
I was trying to achieve something like this in react e.g. user enter his/her age and when click the button following logic should work if age>18 then Eligible for Passport else Not eligible But I am getting no output when…
I have a multi select box implemented using this package - https://github.com/srigar/multiselect-react-dropdown. The options for this box are retrieved dynamically from an API call. The issue I have is the box is loaded and then the API call is made…