mirror of
https://gitee.com/element-plus/element-plus.git
synced 2024-12-14 17:31:02 +08:00
69 lines
2.0 KiB
Markdown
69 lines
2.0 KiB
Markdown
---
|
||
title: Affix
|
||
lang: en-US
|
||
---
|
||
|
||
# Affix
|
||
|
||
Fix the element to a specific visible area.
|
||
|
||
## Basic Usage
|
||
|
||
Affix is fixed at the top of the page by default.
|
||
|
||
:::demo You can set `offset` attribute to change the offset top，the default value is 0。
|
||
|
||
affix/basic
|
||
|
||
:::
|
||
|
||
## Target Container
|
||
|
||
You can set `target` attribute to keep the affix in the container at all times. It will be hidden if out of range.
|
||
|
||
:::demo Please notice that the container avoid having scrollbar.
|
||
|
||
affix/target
|
||
|
||
:::
|
||
|
||
## Fixed Position
|
||
|
||
The affix component provides two fixed positions: `top` and `bottom`.
|
||
|
||
:::demo You can set `position` attribute to change the fixed position, the default value is `top`.
|
||
|
||
affix/fixed
|
||
|
||
:::
|
||
|
||
## Affix API
|
||
|
||
### Affix Attributes
|
||
|
||
| Name | Description | Type | Default | Required |
|
||
| ---------- | -------------------------------- | ------------------- | ------- | -------- |
|
||
| `offset` | offset distance. | `number` | `0` | No |
|
||
| `position` | position of affix. | `'top' \| 'bottom'` | `'top'` | No |
|
||
| `target` | target container. (CSS selector) | `string` | — | No |
|
||
| `z-index` | `z-index` of affix | `number` | `100` | No |
|
||
|
||
### Affix Events
|
||
|
||
| Name | Description | Type |
|
||
| -------- | ---------------------------------- | -------------------------------------------------------- |
|
||
| `change` | triggers when fixed state changed. | `(fixed: boolean) => void` |
|
||
| `scroll` | triggers when scrolling. | `(value: { scrollTop: number, fixed: boolean }) => void` |
|
||
|
||
### Affix Exposes
|
||
|
||
| Method | Description | Type |
|
||
| -------- | --------------------------- | ------------ |
|
||
| `update` | update affix state manually | `() => void` |
|
||
|
||
### Affix Slots
|
||
|
||
| Name | Description |
|
||
| --------- | -------------------------- |
|
||
| `default` | customize default content. |
|