how to toggle state in react code example

Example 1: toggle boolean state react

this.setState(prevState => ({
  check: !prevState.check
}));

Example 2: react toggle state

this.setState(prevState => ({
  iover: !prevState.iover
}));

Example 3: react toggle state

this.setState(prevState => ({
  iover: prevState.iover === 'hide' ? 'show' : 'hide'
}));