Data is being duplicated when item is inserted into React js Array state, console.log(newData) outputs a single object, while console.log(data) outputs continuous duplicate of console.log(newData) How do i fix it const [data, setData] = useState([]) const addData = (newData) =>…
However, I'm facing issues where when i click one button the value increase by one and when click another button it decrease the value.and the button doesn't update correctly (not toggling between "add to cart" and remove from cart"). Could…
I am working on a react app which will be deployed in 3 environments. Dev/QA and Prod. Devops team has provided me a YAML file with the environment variables and asked us to use those variables in our application. Sample…
The problem In react, I really often need to memoize functions in lists of items (created via loops) using something like useCallback to avoid re-rendering all components if a single element changes, due to a mismatching reference identifier… Unfortunately, this…
I wrote this code import axios from "axios"; import { useEffect, useState } from "react"; import { Link } from "react-router-dom"; import UserInfo from "../components/UserInfo"; const Users = () => { const [users, setUsers] = useState(null); useEffect(() => { console.log("fetching…
I am trying to create a shopping cart. I have created a context and passed the state as a value on pressing increment and decrement button on the cart my items count in the are changing but total number of…
Am trying to revert the color and icon of a button when clicked, but I can't seem to come up with a good approach to deal with the state The the color and icon only change one time but can't…
I am trying to get productInfo by productId from backend. I am iterating over productId and fetching data with axios. But it only iterates one element for every compile. How can i iterate all of them in one execution ?…
I am trying to learn how to use React Native hooks and create reusable components once I call GetPlayer, nothing appears on my screen when running my code and I am not getting any exceptions in my Console. Am I…
So I'm having this project and it kills me with the way the instructions unfold step by step. At first they asked me to create a BookingForm.js component that includes a form, for my app. They asked me to use…