@ -13,8 +13,9 @@ In rare situations a component may want to change the props of a component that
Do a shallow copy of `component` and merge any props provided by `extraProps`. Props are merged in the same manner as [`transferPropsTo()`](/react/docs/component-api.html#transferpropsto), so props like `className` will be merged intelligently.
Do a shallow copy of `component` and merge any props provided by `extraProps`. Props are merged in the same manner as [`transferPropsTo()`](/react/docs/component-api.html#transferpropsto), so props like `className` will be merged intelligently.
**NOTE:** `cloneWithProps` does not transfer the `key` prop to the cloned component. If you wish to preserve the key, add it to the `extraProps` object:
> Note:
>
```js
> `cloneWithProps` does not transfer the `key` prop to the cloned component. If you wish to preserve the key, add it to the `extraProps` object:
var clonedComponent = cloneWithProps(originalComponent, { key : originalComponent.props.key });
> ```js
```
> var clonedComponent = cloneWithProps(originalComponent, { key : originalComponent.props.key });