this.setStatus is not a function ``` class Square extends React.Component { getzhi(){ console.log('1') } render(){ return( <div> <button onClick={()=>{ this.setStatus({value:'X'}) }}>{this.props.value}</button> </div> ) } } ``` ``` class Square extends React.Component { getzhi(){ console.log('1') } render(){ return( <div> <button onClick={()=>{ this.setState({value:'X'}) }}>{this.props.value}</button> </div> ) } } ```