how to use push for react setstate code example

Example 1: add new array at the back of react state

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

Example 2: usestate array push

setTheArray([...theArray, newElement]);

Example 3: add new array at the back of react state

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