/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

1 vote399 views1 answer
Detect touch react
Javascript React
0 vote437 views1 answer
React controllers
Javascript React
4 votes408 views1 answer
Use of useNavigate from 'react-router-dom'
Javascript React
0 vote381 views3 answers
React hook example
Javascript React
1 vote399 views1 answer
React event target square brackets
Javascript React
0 vote411 views1 answer
Onclick start and stop the count react
Javascript React
1 vote452 views1 answer
React-native-infinite-scroll-with-flatlist
Javascript React
0 vote372 views1 answer
Reactjs fix ios apostrophe encoding
Javascript React
3 votes399 views3 answers
How to hide source for react project
Javascript React
-2 votes428 views2 answers
Search bar in react js material ui
Javascript React