react update component when state changes code example

Example 1: update state in react

You have to use setState() for updating state in React
{
  hasBeenClicked: false,
  currentTheme: 'blue',
}

setState({
	hasBeenClicked: true
});

Example 2: how to update state in react

// Correct
this.setState(function(state, props) {
  return {
    counter: state.counter + props.increment
  };
});