"react-native array.filter by index arrow function" Code Answer's

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react-native array.filter by index arrow function

Anorak on Jul 19, 2020

_onHandleRemoveSubmittedPicture = async (i, pictureindex) => {
	console.log('_onHandleRemoveSubmittedPicture: Entering Function');
	console.log('_onHandleRemoveSubmittedPicture: index passed in is: ', pictureindex);
//
// in react-native, removing an item from an array. SelectedStoryPhotos is the array name, remember item is the array item, index is it's position in the arry, picture
// index is the index of the array item you want removed passed in.
// 
	this.setState(state => {
		const selectedStoryPhotos = state.selectedStoryPhotos.filter((item, index) => pictureindex !== index);
		return {selectedStoryPhotos,
		};
	});
	console.log('_onHandleRemoveSubmittedPicture: selectedStoryPhotos after removal of index',pictureindex,'array = ',this.state.selectedStoryPhotos);
}

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react-native array.filter by index arrow function

Anorak on Jul 19, 2020

//
// in react-native, removing an item from an array. SelectedStoryPhotos is the array name, remember item is the array item, index is it's position in the arry, picture
// index is the index of the array item you want removed passed in.
// 
	this.setState(state => {
		const selectedStoryPhotos = state.selectedStoryPhotos.filter((item, index) => pictureindex !== index);
		return {selectedStoryPhotos,
		};
	});

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filter() array of objects on change react

Volcano on Jun 28, 2020

const handleChange = (e) => {
      const id = hospitalsDetails.filter(obj => obj.hospitalName == e.target.value)
      setCurrentApp({ ...currentApp, [e.target.id]: e.target.value, ["hospitalID"]: id.hospitalID })  
}

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"react-native array.filter by index arrow function" Code Answer's

react-native array.filter by index arrow function

react-native array.filter by index arrow function

filter() array of objects on change react

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