var MySelect = React.createClass({

  getInitialState: function() {

    return {

      value: "0"

    };

  },

​

  handleChange: function(event) {

    var value = event.target.value;

    console.log(value, " was selected");

    this.setState({value: event.target.value});

  },

​

  render: function() {

    return (

      <select value={this.state.value} onChange={this.handleChange}>

        <option value="0">Choose your option</option>

        <option value="1">Option 1</option>

        <option value="2">Option 2</option>

        <option value="3">Option 3</option>

      </select>

    );

  }

})

​

React.render(

  <MySelect />, document.body

);