ant-design-vue/components/affix/index.en-US.md

API

Property	Description	Type	Default
offsetBottom	Pixels to offset from bottom when calculating position of scroll	number	-
offsetTop	Pixels to offset from top when calculating position of scroll	number	0
target	specifies the scrollable area dom node	() => HTMLElement	() => window

events

Events Name	Description	Arguments
onChange	Callback for when affix state is changed	Function(affixed)

Note: Children of Affix can not be position: absolute, but you can set Affix as position: absolute:

<a-affix :style="{ position: 'absolute', top: y, left: x}">
  ...
</a-affix>