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[docs] Link RootRef in the FAQ #12005

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Jun 28, 2018
Merged

[docs] Link RootRef in the FAQ #12005

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13b7462
reference <RootRef> component in FAQ
scottastrophic Jun 28, 2018
ad8fb3b
Update faq.md
oliviertassinari Jun 28, 2018
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36 changes: 1 addition & 35 deletions docs/src/pages/getting-started/faq/faq.md
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Expand Up @@ -90,41 +90,7 @@ export default withTheme()(withStyles(styles)(Modal));

## How can I access the DOM element?

You can use the `ref` property in conjunction with the [`findDOMNode()`](https://reactjs.org/docs/react-dom.html#finddomnode) React API. Or you can [use an abstraction](https://github.com/facebook/react/issues/11401#issuecomment-340543801):

```jsx
import React from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';

class RootRef extends React.Component {
componentDidMount() {
this.props.rootRef(ReactDOM.findDOMNode(this))
}

componentWillUnmount() {
this.props.rootRef(null)
}

render() {
return this.props.children
}
}

RootRef.propTypes = {
children: PropTypes.element.isRequired,
rootRef: PropTypes.func.isRequired,
};

export default RootRef;
```

Usage:
```jsx
<RootRef rootRef={node => { console.log(node) }}>
<Paper />
</RootRef>
```
Wrap the component with the [`<RootRef>`](/api/root-ref) helper.

## Why are the colors I am seeing different from what I see here?

Expand Down