I am building an app using the github jobs api (https://jobs.github.com/api) in react . The first time I run my app I get the titles of all jobs of the first page of the api . When I click on the button above I want to append the results of the next page of the ..
Category : use-state
I’m learning React hooks so in order to do that I’m trying to convert a class component to a functional component but I still get some errors. Here is the original working component written as a class: import React, { Component } from ‘react’; import NavBar from ‘./components/navbar’; import Counters from ‘./components/counters’; class App extends ..
I’m building an app and I want to render components with position:"fixed" with given x positions on the screen, each component should then calculate the top/left properties from x before rendering. But when I add a component it seems to render before the style object is calculated. The position of each child should change when ..
I am using component <MapboxGL.UserLocation to get current user coords and in this component there is a prop onUpdate which get the current location of the user and pass it to a function, what I want is before call the function inside the prop check the state value if it is true or false and ..
Twitter has a nice feature whereby users keep track of how many characters have been entered. There’s a count of the characters entered, and a character limit (which used to be 140 characters, and now is 280 characters). I would like to implement a similar text input box within React, whereby there is a character ..
I have a dropdown that appears when a button is clicked inside of react table. function Table({ columns, data, getTrProps, isShowing }) { const [isVisible, setIsVisible] = useState(false); const currentColOrder = React.useRef(); const { store } = useContext(AppContext); const handleChange = () => { setIsVisible(() => !isVisible); }; const { getTableProps, getTableBodyProps, headerGroups, rows, prepareRow, ..
when I onClick, my state: changeSybmol is not changing to true but remains false. In summary I just want my state to update to false if it is true or vice versa. import React, { useState } from "react"; import "./Box.css"; function Box(props) { const [symbol, setSymbol] = useState(""); const [changeSymbol, setChangeSymbol] = useState(false); function ..
I’m adding pagination for the list of items I get through GraphQl query. I’ve managed to get everything sorted however for the past day one single state has decided to bug me. I use start and limit as query options to paginate. Let’s say the limit of items is always 5 On component mount I ..
I am building a quiz app where I used the handleCheckAnswer() function which resulted in this error. I need to pass those two parameter values to the function. What should I do in order to remove the error? Please help! import { useState } from ‘react’; import Data from ‘./data’ export default function App() { ..
I know that the Synthetic Event, instead of the native dom event, should be the way to deal with interaction in React App, but I wonder why the behavior is so bizarre. When the React Event works well, and the dom event always reset the state to initial state. import React, { useState, useEffect } ..
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