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Questions - react-hooks

How does React render DOM without refreshing page?

Before I met React, When I made changes on the browser using Javascript I had to refresh page manuelly(or with live server) to see changes. But react does that without refreshing page. I'm trying to l...
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Apoleytaa

javascript

reactjs

react-hooks

Votes: 0

Answers: 1

Latest Answer

I think you are making confusion between page refresh in order to see new code execution during development, and actual JS code execution. If you are using CRA, CRA uses webpack Hot Module Replacement...
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Cesare Polonara

ReactJS useEffect memory leak with chained request

I am making an axios.post request within a useEffect statement. The process is not setting any state, but I am get an Can't perform a React state update on an unmounted component. This is a no-op, but...
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reactFullStackDeveloper

reactjs

react-hooks

Votes: 0

Answers: 1

Latest Answer

I maybe wrong but what you are trying is calling async call inside sync call const history = useHistory(); const [getUserAssignments, { data }] = useLazyQuery(GET_USER_AND_ASSIGNMENTS); const f...
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Abbas Hussain

React custom hook returning array and utilize the same in App component

I have my App component defined as below; function App() { const [state1, setState1] = useState({}); const [state2, setState2] = useState({}); const [isApiCallDone, setIsApiCallDone] = use...
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copenndthagen

javascript

reactjs

react-hooks

use-effect

Votes: 0

Answers: 2

Latest Answer

For Question 1: You can directly setState like below without using state11. useEffect(() => { (async function () { try { setState1( (await fetchFn("https://reqr...
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Aditya Akella

React Native TextInput that Accepts a specific format only

I need a textInput component for zip code that accepts only numeric values and satisfies the following format. ZIP must be in xxxxx-xxxx or xxxxx format. Note: character count should not exceed 10 (in...
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Uthkarsh Cheekati

reactjs

react-native

react-redux

react-hooks

Votes: 0

Answers: 1

Latest Answer

Probably the best way here is to use react final form https://final-form.org/react library. You should use format and validate props of <Field /> Also check this example from their documentation...
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Sergey Zhukov

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