class componentName extends Component {

  render() {

    return (

      <div>

      </div>

    );

  }

}

constructor(props) {

  super(props);

}

cwm→    componentWillMount method

cdm→    componentDidMount method

cwr→    componentWillReceiveProps method

scu→    shouldComponentUpdate method

cwup→    componentWillUpdate method

cdup→    componentDidUpdate method

cwun→    componentWillUnmount method

this.setState('');

this.setState((state, props) => { return {  }});

this.props