A simple button in React that cycles between multiple states

cycle_button.js

var GiustinoButton = React.createClass({
	getInitialState: function() {
  		return {
      	current_state: 1,
        name: "A"
      };
  },
  
  stateSwitcher: function() {
  	switch(this.state.current_state) {
    		case 1: return {current_state: 2, name: "B"}
        case 2: return {current_state: 3, name: "C"}
        case 3: return {current_state: 4, name: "D"}
        case 4: return {current_state: 1, name: "A"}
    }
  },
  
  handleClick: function() {
  	this.setState(this.stateSwitcher());
  },
  
  render: function() {
    return <input type="submit" value={this.state.name} onClick={this.handleClick} />
  }
});

ReactDOM.render(
  <GiustinoButton />,
  document.getElementById('container')
);