## zh-CN

用 `target` 设置 `Affix` 需要监听其滚动事件的元素，默认为 `window`。

## en-US

Set a `target` for 'Affix', which is listen to scroll event of target element (default is `window`).

<style>
#components-affix-demo-target .scrollable-container {
  height: 100px;
  overflow-y: scroll;
}
#components-affix-demo-target .background {
  padding-top: 60px;
  height: 300px;
  background-image: url('https://zos.alipayobjects.com/rmsportal/RmjwQiJorKyobvI.jpg');
}
</style>
