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Questions - setstate

Remove text from textarea after form submission React

I have a form that is sending an email once user has clicked submit but the text is still staying in the text area. What can I do to clear the textarea once form has been submitted? import "./con...
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goatstash

reactjs

function

react-hooks

setstate

handle

Votes: 0

Answers: 2

Latest Answer

Indeed, I would use useState for this. You can save a declare the value with a default message, use an onChange handler to update the value, then clear it after you submit the form. const [done, set...
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arfi720

Avoiding owerwriting of variable from provider in build on Flutter

In my app I have a button to open a popup and when I open it I use provider to prepopolate some fields with values taken from sharedPrefs. Widget build(BuildContext context) { provider = Provider....
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MarcoF

flutter

build

setstate

overwrite

Votes: 0

Answers: 1

Latest Answer

If I understand correctly what you are trying to achieve, my advice would be this: set the value of the provider.dirsNames[colIndex] when you edit it in the alert dialog. // somewhere here setState(()...
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obywan

React useState, setState and {state} in return

I come across the rendering issue with React State. The problem is that {state} in return get value one beat late. But the console log in handleChange shows right value. If the previous value of state...
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Shanha_Kim

javascript

reactjs

state

setstate

Votes: 0

Answers: 1

Latest Answer

Two problems... findText will not have been updated to the new value when you use it in split(). Either use str instead or calculate findCount in a memo or effect hook with a dependency on findText. ...
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Phil

Use user input in API calls and then use the response in a widget in Flutter?

I am trying to make an app in flutter where the user enters something in a search (im using SearchDelegate). Then the app takes what they entered and makes an api request to my api with it. And then i...
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Samisai

flutter

api

dart

future

setstate

Votes: 0

Answers: 1

Latest Answer

Try to use conditional statement to show default data until api response data are not fetched. @override Widget buildResults(BuildContext context) { _MyHomePageState()._getNews(res); // res is t...
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Zakaria Hossain

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