React.createClass({
  getInitialState: function() {
    return {
      password: '123456',
      valid: true
    };
  },

  handleChange: function(se) {
    var confirmationValue = se.target.value;
    // Use the 'password' component reference to get the password input value
    // in order to perform the validation
    var valid = (this.refs.password.getValue() !== confirmationValue);
    this.setState({
      password: confirmationValue,
      valid: valid
    });
  },

  render: function() {
    return (
      <form>
        <Input
          type="text"
          defaultValue={ this.state.password }
          ref="password" />
        <Input
          type="text"
          value={ this.state.confirmation }
          onChange={ this.handleChange }
          bsStyle={ !this.state.valid ? 'error' : null } />
      </form>
    );
  }
});