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Add note about key prop being excluded by cloneWithProps #1867

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Aug 14, 2014
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Add note about key prop being excluded by cloneWithProps #1867

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Add note about key prop being excluded by cloneWithProps
WickyNilliams Jul 18, 2014
ee325eb
follow docs convention for notes
WickyNilliams Jul 21, 2014
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7 changes: 7 additions & 0 deletions docs/docs/09.5-clone-with-props.md
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Expand Up @@ -12,3 +12,10 @@ In rare situations a component may want to change the props of a component that
#### `ReactComponent React.addons.cloneWithProps(ReactComponent component, object? extraProps)`

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:
> ```js
> var clonedComponent = cloneWithProps(originalComponent, { key : originalComponent.props.key });
> ```