React 0.14.7: `<option value="">empty</option>` emits empty string on change
http://jsbin.com/pisita/10/edit?html,js,console,output
React 15.0.0-rc.1`<option value="">empty</option>` emits string with value "empty" on change
http://jsbin.com/bemaze/12/edit?html,js,console,output
This is because React 15.0.0-rc.1 cuts off `value=""` from option tag

];
      break;
    case 'form':
      inst._wrapperState.listeners = [
        ReactBrowserEventEmitter.trapBubbledEvent(
          EventConstants.topLevelTypes.topReset,
          'reset',
          node
        ),
        ReactBrowserEventEmitter.trapBubbledEvent(
          EventConstants.topLevelTypes.topSubmit,
          'submit',
          node
        ),
      ];
      break;
    case 'input':
    case 'select':
    case 'textarea':
      inst._wrapperState.listeners = [
        ReactBrowserEventEmitter.trapBubbledEvent(
          EventConstants.topLevelTypes.topInvalid,
          'invalid',
          node
        ),
      ];
      break;
  }
}
function postUpdateSelectWrapper() {