/Javascript/React/How to add array data on state react

How to add array data on state react

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

Source: stackoverflow.com

Add new array at the back of react state

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

Source: stackoverflow.com

Add new array at the back of react state

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

Source: stackoverflow.com

Add new array at the back of react state

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

Source: stackoverflow.com

How to add array data on state react

// Using hooks

const [array, setArray] = useState([1, 2, 3])

setArray(prevArray => [...prevArray, 4]); // -> [1, 2, 3, 4]

Similar codes

10 votes148 views5 answers
Form react js
Javascript React
0 vote147 views2 answers
Hello world react
Javascript React
4 votes165 views3 answers
Reactjs date format dd/mm/yyyy
Javascript React
4 votes171 views2 answers
Concurrently node react
Javascript React
0 vote161 views1 answer
How to run react build locally
Javascript React
15 votes169 views5 answers
Usestate react hook
Javascript React
0 vote184 views1 answer
Activez la compression de texte react js
Javascript React
0 vote160 views1 answer
Why does my react project dosent have any class
Javascript React
0 vote156 views1 answer
React js child css
Javascript React
0 vote157 views1 answer
Reduce to calculate sum react
Javascript React