ant-design/components/float-button/demo/back-top.md

order	iframe	title
7	360	zh-CN en-US 回到顶部 BackTop

zh-CN

返回页面顶部的操作按钮。

en-US

BackTop makes it easy to go back to the top of the page.

import React from 'react';
import { FloatButton } from 'antd';

const App: React.FC = () => (
  <div style={{ height: '500vh', padding: 10 }}>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <div>Scroll to bottom</div>
    <FloatButton.BackTop />
  </div>
);

export default App;