element-plus/docs/en-US/component/collapse.md
jeremywu db976bba68
chore(docs): adding lang field for markdowns (#4005)
- Add lang field for all *.md files' frontmatters
2021-10-22 19:32:39 +08:00

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Markdown

---
lang: en-US
---
# Collapse
Use Collapse to store contents.
<style lang="scss">
.demo-collapse {
.el-collapse {
padding: 8px;
background: white;
}
}
</style>
## Basic usage
You can expand multiple panels
:::demo
collapse/basic
:::
## Accordion
In accordion mode, only one panel can be expanded at once
:::demo Activate accordion mode using the `accordion` attribute.
collapse/accordion
:::
## Custom title
Besides using the `title` attribute, you can customize panel title with named slots, which makes adding custom content, e.g. icons, possible.
:::demo
collapse/customization
:::
## Collapse Attributes
| Attribute | Description | Type | Accepted Values | Default |
| --------------------- | ---------------------------------- | ---------------------------------------------------- | --------------- | ------- |
| model-value / v-model | currently active panel | string (accordion mode) / array (non-accordion mode) | — | — |
| accordion | whether to activate accordion mode | boolean | — | false |
## Collapse Events
| Event Name | Description | Parameters |
| ---------- | ---------------------------------- | ------------------------------------------------------------------- |
| change | triggers when active panels change | (activeNames: array (non-accordion mode) / string (accordion mode)) |
## Collapse Slots
| Name | Description | Subtags |
| ---- | ------------------------- | ------------- |
| - | customize default content | Collapse Item |
## Collapse Item Attributes
| Attribute | Description | Type | Accepted Values | Default |
| --------- | ---------------------------------- | ------------- | --------------- | ------- |
| name | unique identification of the panel | string/number | — | — |
| title | title of the panel | string | — | — |
| disabled | disable the collapse item | boolean | — | — |
## Collapse Item Slot
| Name | Description |
| ----- | ------------------------------ |
| — | content of Collapse Item |
| title | content of Collapse Item title |