All Questions
12
questions
-1
votes
1
answer
56
views
Updating value inside nested object of object in React Native
I have state set as follow
const [stories, setStories] = useState([]);
I fetch Data from API in array, and i map the array and set the using setStories as:
setStories(prevState => prevState.concat(...
- 307
0
votes
2
answers
2k
views
spread operator not working in react native
'browsed' is an array of objects with data for each letter:
[
{
allowMultiSign: undefined,
allowSingleSign: "1",
assignmentStatus: "Browsed",
disclaimer: null,
...
- 518
0
votes
1
answer
28
views
improve setState with TextInput or Pickers in React & ReactNative & ES6
This code is currently working, but I don't know if there is a way to do it better, or at least more reusable.
I am working with reactNative but maybe this is more an ES6 question.
The State:
...
- 2,544
-1
votes
3
answers
1k
views
'Can't find variable: clicks' in react-native
The following code shows an error when clicked on the 'Click Me!' button saying that the variable 'clicks' cannot be found whereas it is properly mentioned in the state
import { StyleSheet, Alert, ...
2
votes
5
answers
148
views
Javascript Object to array then remove element
I have this object
Object {
"87291": "valid",
"1873681927": "valid",
"nwq89j8jw0qj9": "valid",
"oVFYfWIUOsONE6JyMGYAbnsPMAr1": "valid",
}
what i want to do is remove object based on key ...
- 71
6
votes
3
answers
3k
views
Object.fromEntries only available on iOS? (react native - NOT WEB)
The title is pretty self explanatory but still, consider this sample code:
import * as React from 'react';
import { Text, View, StyleSheet } from 'react-native';
import { Constants } from 'expo';
...
- 6,995
0
votes
2
answers
37
views
Fetching data from function into <View> component inside the render method
I tried to fetch the data from function inside render, when I use alert() it works, but when I try to return real text it not shown any thing
the code I work with:
export default class App extends ...
- 304
0
votes
3
answers
621
views
Displaying markers from React Native Maps using forEach
I have this array in my state:
coinCoordinatesArray: [
{
latitude: 37.78825,
longitude: -122.4324},
{
latitude: 38.78825,
longitude: -120.4324},
...
- 1,927
-1
votes
3
answers
472
views
What is { xyz } = Object, where Object have xyz as property [duplicate]
What is { XYZ } = Object called ? where Object have xyz as property.
- 144
2
votes
4
answers
3k
views
How to get the sum of children values of an object in a Javascript react native?
Here is my object:
var obj = {
"idtransact1": {
"amount": 3000,
},
"idtransact2": {
"amount": 3000,
}
}
I am trying to get the sum of all amount.
I tried to adapt this example ...
- 73
1
vote
0
answers
26
views
Assigning alias to object passed as parameter to function in Javascript [duplicate]
In this function I have this object { email, password } passed to it
static login = ({ email, password }) => {
const body = { email, password };
callApi(body);
}
So to access the ...
- 256
1
vote
1
answer
57
views
How to modify a specific element of a nested object using ES6?
I have this initialStore:
const initialState =
{
0:{
screen_name: '1',
props: null,
},
1:{
screen_name: '2',
props: null,
},
2:{
screen_name: '3',
props: null,
},
...
- 2,109