ant-design/components/affix/demo/on-change.md
章鱼 7fd093bd0a
docs: feat components TS demo (#34742)
* docs: add general components TS demo

* docs: add layout components TS demo

* docs: add navigation components TS demo

* docs: add data entry components TS demo

* chore(deps): add types for qs

* docs: add data display TS demo

* docs: add feedback components TS demo

* docs: add other components TS demo

* chore(deps): add types

* docs: unified demo code style

* docs: fix lint error

* docs: add demo TS type

* docs: fix demo TS type

* test: update snapshot

* docs: fix TS demo

* feat: update Rate character type

* docs: fix lint error

* feat: update Rate character type

* feat: update Rate character type
2022-05-19 09:46:26 +08:00

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Markdown

---
order: 1
title:
zh-CN: 固定状态改变的回调
en-US: Callback
---
## zh-CN
可以获得是否固定的状态。
## en-US
Callback with affixed state.
```tsx
import React from 'react';
import { Affix, Button } from 'antd';
const App: React.FC = () => (
<Affix offsetTop={120} onChange={affixed => console.log(affixed)}>
<Button>120px to affix top</Button>
</Affix>
);
export default App;
```