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Javascript 2021-10-12 07:45:06
update component after api res
function MyComponent() { const [error, setError] = useState(null); const [isLoaded, setIsLoaded] = useState(false); const [items, setItems] = useState([]); // Note: the empty deps array [] means // this useEffect will run once // similar to c... Add solution -
Javascript 2021-10-10 12:03:05
React Load api data with Loading indicator
import React, { Fragment, useState, useEffect } from 'react'; import axios from 'axios'; function App() { const [data, setData] = useState({ hits: [] }); const [query, setQuery] = useState('redux'); const [url, setUrl] = useState( 'https://hn.... Add solution -
Javascript 2021-10-08 17:11:04
Cannot read property 'map' of undefined
function MyComponent() { const [data, setData] = useState([]); const [loading, setLoading] = useState(false); useEffect(() => { setLoading(true); fetch('/api/data') .then((res) => res.json()) .then((data) => { s... Add solution -
Javascript 2021-09-29 21:43:02
dispay react component after some time
import React, { useState, useEffect } from 'react'; type Props = { children: React.ReactElement; waitBeforeShow?: number; }; const Delayed = ({ children, waitBeforeShow = 500 }: Props) => { const [isShown, setIsShown] = useState(false); useE... Add solution -
TypeScript 2021-09-27 00:34:02
too many re-renders. react limits the number of renders to prevent an infinite loop.
I suspect that the problem lies in the fact that you are calling your state setter immediately inside the function component body, which forces React to re-invoke your function again, with the same props, which ends up calling the state setter again, whic... Add solution -
Javascript 2021-09-20 12:26:02
react record voice
import React, { useState, useEffect } from 'react'; // the button form material-ui is optional // npm install @material-ui/core import Button from '@material-ui/core/Button'; const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechReco... Add solution -
Javascript 2021-09-14 00:18:02
React microphone
import React, { useState, useEffect } from 'react'; // the button form material-ui is optional // npm install @material-ui/core import Button from '@material-ui/core/Button'; const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechReco... Add solution -
Other 2021-09-13 18:22:04
react-native date time picker
expo install react-native-modal-datetime-picker @react-native-community/datetimepicker import React, { useState } from "react"; import { Button, View } from "react-native"; import DateTimePickerModal from "react-native-modal-date... Add solution -
Javascript 2021-08-29 09:26:02
semantic ui react modal
import React from 'react' import { Button, Header, Image, Modal } from 'semantic-ui-react' function ModalExampleModal() { const [open, setOpen] = React.useState(false) return ( <Modal onClose={() => setOpen(false)} onOpen={() =... Add solution