Why is the React component not updating?

Question

React

I update the state

this.state = {
      checked: this.props.checked //{1: true, 2: false, 3: false}
    }

Handler:

handleButton = () => {
    let newstate = {1: false, 2: false, 3: false};

    this.setState({
      checked: newstate
    })
  }
}

A rough example for clarity, the only question is why the component is not updated.
React not comparing value of objects in state? The reference to the object seems to be different too. I don't understand

Answer 1

Comparison goes only by links, superficially. Are you sure the button works? Or try to use a normal bind. There may be many options.
upd.
https://github.com/facebook/react/issues/4618
It says that defaultValue and defaultChecked are set only once during component initialization.