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78 lines
2.0 KiB
Markdown
78 lines
2.0 KiB
Markdown
---
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title: Affix
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lang: en-US
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---
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# Affix
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Fix the element to a specific visible area.
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## Basic usage
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Affix is fixed at the top of the page by default.
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:::demo You can set `offset` attribute to change the offset top，the default value is 0。
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affix/basic
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:::
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## Target container
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You can set `target` attribute to keep the affix in the container at all times. It will be hidden if out of range.
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:::demo Please notice that the container avoid having scrollbar.
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affix/target
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:::
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## Fixed position
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The affix component provides two fixed positions: `top` and `bottom`.
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:::demo You can set `position` attribute to change the fixed position, the default value is `top`.
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affix/fixed
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:::
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## Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| --------- | ------------------------------- | ------ | --------------- | ------- |
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| offset | offset distance | number | — | 0 |
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| position | position of affix | string | top / bottom | top |
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| target | target container (CSS selector) | string | — | — |
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| z-index | z-index of affix | number | — | 100 |
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## Events
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| Event Name | Description | Parameters |
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| ---------- | --------------------------------- | -------------------------- |
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| change | triggers when fixed state changed | (value: boolean) |
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| scroll | triggers when scrolling | scroll top and fixed state |
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## Methods
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| Method | Description | Parameters |
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| ------ | --------------------------- | ---------- |
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| update | update affix state manually | — |
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## Slots
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| Name | Description |
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| ---- | ------------------------- |
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| — | customize default content |
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<style lang="scss">
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.example-showcase {
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.affix-container {
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text-align: center;
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height: 400px;
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border-radius: 4px;
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background: var(--el-color-primary-light-9);
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}
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}
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</style>
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