React Component Based on 'Tasty CSS-animated hamburgers' @ https://jonsuh.com/hamburgers/

burger.js

class Burger extends React.Component {
  constructor(props) {
    super(props);
    this.state = {addClass: false}
  }
  toggle() {
    this.setState({addClass: !this.state.addClass});
  }
  render() {
    let burderClass = ["hamburger hamburger--collapse"];
    if(this.state.addClass) {
      burderClass.push('is-active');
    }
    return(
		<button className={burderClass.join(' ')} onClick={this.toggle.bind(this)} type="button"><span class="hamburger-box"><span class="hamburger-inner"></span></span></button>		
    );
  }
}

ReactDOM.render(<Burger />, document.getElementById("root"));