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Add info to Children.toArray docs about invalid elements #1127

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Add info to Children.toArray docs about invalid elements #1127

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2 changes: 1 addition & 1 deletion content/docs/reference-react.md
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Expand Up @@ -198,7 +198,7 @@ Verifies that `children` has only one child (a React element) and returns it. Ot
React.Children.toArray(children)
```

Returns the `children` opaque data structure as a flat array with keys assigned to each child. Useful if you want to manipulate collections of children in your render methods, especially if you want to reorder or slice `this.props.children` before passing it down.
Returns the `children` opaque data structure as a flat array with keys assigned to each child, filtering out invalid elements such as `undefined`, `null` and `boolean` values. Useful if you want to manipulate collections of children in your render methods, especially if you want to reorder or slice `this.props.children` before passing it down.

> Note:
>
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