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# `useEvent`
React sensor hook that subscribes a `handler` to events.
## Usage
```jsx
import {useEvent, useList} from 'react-use';
const Demo = () => {
const [list, {push, clear}] = useList();
const onKeyDown = useCallback(({key}) => {
if (key === 'r') clear();
push(key);
}, []);
useEvent('keydown', onKeyDown);
return (
<div>
<p>
Press some keys on your keyboard, <code style={{color: 'tomato'}}>r</code> key resets the list
</p>
<pre>
{JSON.stringify(list, null, 4)}
</pre>
</div>
);
};
```
## Examples
```js
useEvent('keydown', handler)
useEvent('scroll', handler, window, {capture: true})
```
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