ant-design/components/affix/index.en-US.md
MuYu fb0b4f0fc9 docs: show version Number features were added (#17373)
* docs: add api first appearance

* docs: fix auto-complete doc

* docs: replace Version Added with Version

* docs: date picker common method

* docs: date picker common method

* docs: tree

* docs: remove meaningless 3.0.0
2019-07-11 14:14:33 +08:00

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category type title
Components Navigation Affix

Make an element stick to viewport.

When To Use

When user browses a long web page, some content need to stick to the viewport. This is common for menus and actions.

Please note that Affix should not cover other content on the page, especially when the size of the viewport is small.

API

Property Description Type Default Version
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
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:

<Affix style={{ position: 'absolute', top: y, left: x }}>...</Affix>

FAQ

Affix bind container with target, sometime move out of container.

We don't listen window scroll for performance consideration. You can add listener if you still want: https://codesandbox.io/s/2xyj5zr85p

Related issue#3938 #5642 #16120