text: class MyComponent extends React.Component {
      constructor(props) {
          super(props)
          this.state = {
              name: 'Initial State'
          }
          this.handleClick = this.handleClick.bind(this)
      }
      handleClick() {
          // change code below this line
          this.setState({
              name: 'React Rocks!'
          })
          // change code above this line
      }
      render() {
          return (
              <div>
                  <button onClick={this.handleClick}>Click Me</button>
                  <h1>{this.state.name}</h1>
              </div>
          )
      }
  }
  