I have a component that needs to render an array of divs, the array should add another div after a certain function outside the component is triggered, the function is outside the component because it needs to be exported. The…
I am making an api call and setting all the data in my redux state. Now when I refresh the page, all the data in redux gets cleared and my data is lost. So should I add a check on…
I can't figure out why React is re-rendering my component but not re-running the useEffect hooks. I was playing around with React hooks using this code https://codesandbox.io/s/solitary-wave-s4wt3r?file=/src/index.js import React, { useState, useEffect, useRef } from "react"; import ReactDOM from "react-dom";…
I have App file where i have function to filter list and i every section of the page on components on components. So i want to pass showActive, showAll and other functions to TaskControl to Button and assign to onClick.…
I am calling setState within useEffect and it's triggering infinitely. I'm having a hard time understanding why. The problem is with the third useEffect that is dependent on picked. import GameCSS from './game.module.css' import Dog from "./dog/dog" import { useState,…
I am developing a skeleton for an application using the react.js with actual scenarios until the APIs are being developed. The local variable called accountType generates a dropdown in the Form component, is not getting updated. If I am console…
How can I set up a connection inside useEffect and at the same time decorate that connection with a custom hook? Custom hooks are not allowed to run inside useEffect and ref.current is not permitted during rendering. What is the…
Let say I have a useState to store a user object: const [user, setUser] = useState({ name: "", age: "", type: "" }) and a select box to show the type <select className="input" value={user.type} onChange={handleType} > <option value='A'>A</option> <option value='B'>B</option>…
I have a reference variable: const weightInputRef = useRef(); const weightInputRef = useRef(); I have some data: const inputs = [{ ref: heightInputRef, type:'number', placeholder: 'Height', name: 'height' }, { ref: weightInputRef, type:'number', placeholder: 'Weight', name: 'weight' }] I am…
There is an input field that will update a state called q to whatever the user enters, and the code inside useEffect will do a search with q. If the length of q is <= 2, then I need to…