A stateless react component
Parent that holds state:
importReactfrom'react';importChildfrom'./child.js';classParentextendsReact.Component{constructor(props){super();this.state={// some state}}render(){return(<Childparent={this}/>);}}Child that has no state but can access and set its parents state:
importReactfrom'react';importSubComponentfrom'react-subcomponent';classChildextendsSubComponent{handleClick(){this.setState({})// sets parents state}render(){return(<divonClick={this.handleClick.bind(this)}>{this.state} // gets parents state
</div>);}}