--- category: Components type: Data Display title: Collapse cover: https://gw.alipayobjects.com/zos/alicdn/IxH16B9RD/Collapse.svg --- A content area which can be collapsed and expanded. ## When To Use - Can be used to group or hide complex regions to keep the page clean. - 'Accordion' is a special kind of 'Collapse', which allows only one panel to be expanded at a time. ## API ### Collapse | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | activeKey(v-model) | Key of the active panel | string\[]\|string | No default value. In `accordion` mode, it's the key of the first panel. | | | bordered | Toggles rendering of the border around the collapse block | boolean | `true` | | | collapsible | Specify whether the panels of children be collapsible or the trigger area of collapsible | `header` \| `disabled` | - | 3.0 | | accordion | If `true`, `Collapse` renders as `Accordion` | boolean | `false` | | | expandIcon | allow to customize collapse icon | Function(props):VNode \| v-slot:expandIcon="props" | | | expandIconPosition | Set expand icon position: `left`, `right` | `left` | - | 1.5.0 | | destroyInactivePanel | Destroy Inactive Panel | boolean | `false` | | | ghost | Make the collapse borderless and its background transparent | boolean | false | 3.0 | ### events | Events Name | Description | Arguments | Version | | ----------- | ------------------------------------------------------- | ------------- | ------- | | change | Callback function executed when active panel is changed | function(key) | | ### Collapse.Panel | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | collapsible | Specify whether the panel be collapsible or the trigger area of collapsible | `header` \| `disabled` | - | 3.0 | | disabled | If `true`, panel cannot be opened or closed | boolean | `false` | | | forceRender | Forced render of content on panel, instead of lazy rending after clicking on header | boolean | `false` | | | header | Title of the panel | string \| slot | - | | | key | Unique key identifying the panel from among its siblings | string \| number | - | | | showArrow | If `false`, panel will not show arrow icon | boolean | `true` | | | extra | extra element in the corner | VNode \| slot | - | 1.5.0 |