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react state add to array

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Quaint Quelea answered on November 11, 2020 Popularity 10/10 Helpfulness 5/10

answer react state add to array

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react state add to array

Comment

// Save search term state to React Hooks with spread operator and wrapper function

// Using .concat(), no wrapper function (not recommended)
setSearches(searches.concat(query))

// Using .concat(), wrapper function (recommended)
setSearches(searches => searches.concat(query))

// Spread operator, no wrapper function (not recommended)
setSearches([...searches, query])

// Spread operator, wrapper function (recommended)
setSearches(searches => [...searches, query])

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: add javascript react-state

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Contributed on Aug 03 2022

Quaint Quelea

0 Answers Avg Quality 2/10

Closely Related Answers

push state array react

Comment

setArray(oldArray => [...oldArray,newValue] );

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Aug 07 2021

Long Lizard

0 Answers Avg Quality 2/10

add new array at the back of react state

Comment

this.setState(prevState => ({
  myArray: [...prevState.myArray, "new value"]
}))

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Dec 22 2020

Worrisome Weevil

0 Answers Avg Quality 2/10

how to add array data on state react

Comment

this.setState({ myArray: [...this.state.myArray, 'new value'] }) //simple value
this.setState({ myArray: [...this.state.myArray, ...[1,2,3] ] }) //another array

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Nov 11 2020

Zany Zebra

0 Answers Avg Quality 2/10

add new array at the back of react state

Comment

this.setState(prevState => ({
  myArray: ["new value", ...prevState.myArray]
}))

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Dec 22 2020

Worrisome Weevil

0 Answers Avg Quality 2/10

add object in array state react

Comment

this.setState(prevState => ({
  arrayvar: [...prevState.arrayvar, newelement]
}))

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: devarama.com

Tags: add

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Contributed on Apr 03 2022

Thoughtful Tarsier

0 Answers Avg Quality 2/10

add new array at the back of react state

Comment

this.setState(prevState => ({
  myArray: [...prevState.myArray, {"name": "object"}]
}))

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Dec 22 2020

Worrisome Weevil

0 Answers Avg Quality 2/10

the best way to add a value to an array in state

Comment

this.setState(previousState => ({
    myArray: [...previousState.myArray, 'new value']
}));

Popularity 7/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: add javascript javascri

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Contributed on Dec 28 2022

Crazy Volt

0 Answers Avg Quality 2/10

add new array at the back of react state

Comment

this.setState(prevState => ({
  myArray: [ {"name": "object"}, ...prevState.myArray]
}))

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: add

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Contributed on Dec 22 2020

Worrisome Weevil

0 Answers Avg Quality 2/10

add array of object to state react

Comment

var joined = this.state.myArray.concat('new value');
this.setState({ myArray: joined })

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: w3programmers.org

Tags: add

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Contributed on Mar 27 2022

Grumpy Giraffe

0 Answers Avg Quality 2/10

react state add to array

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react state add to array

Closely Related Answers

push state array react

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add new array at the back of react state

add object in array state react

add new array at the back of react state

the best way to add a value to an array in state

add new array at the back of react state

add array of object to state react

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