--- category: Components group: Data Display title: Collapse cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*B7HKR5OBe8gAAAAAAAAAAAAADrJ8AQ/original coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*sir-TK0HkWcAAAAAAAAAAAAADrJ8AQ/original --- 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. ## Examples Collapse Size Accordion Nested panel Borderless Custom Panel No arrow Extra node Ghost Collapse Collapsible ## API ### Collapse | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | accordion | If true, Collapse renders as Accordion | boolean | false | | | activeKey | Key of the active panel | string\[] \| string
number\[] \| number | 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` \| `icon` \| `disabled` | - | 4.9.0 | | defaultActiveKey | Key of the initial active panel | string\[] \| string
number\[] \| number | - | | | destroyInactivePanel | Destroy Inactive Panel | boolean | false | | | expandIcon | Allow to customize collapse icon | (panelProps) => ReactNode | - | | | expandIconPosition | Set expand icon position | `start` \| `end` | - | 4.21.0 | | ghost | Make the collapse borderless and its background transparent | boolean | false | 4.4.0 | | size | Set the size of collapse | `large` \| `middle` \| `small` | `middle` | 5.2.0 | | onChange | Callback function executed when active panel is changed | function | - | | ### Collapse.Panel | Property | Description | Type | Default | Version | | --- | --- | --- | --- | --- | | collapsible | Specify whether the panel be collapsible or the trigger area of collapsible | `header` \| `icon` \| `disabled` | - | 4.9.0 (icon: 4.24.0) | | extra | The extra element in the corner | ReactNode | - | | | forceRender | Forced render of content on panel, instead of lazy rendering after clicking on header | boolean | false | | | header | Title of the panel | ReactNode | - | | | key | Unique key identifying the panel from among its siblings | string \| number | - | | | showArrow | If false, panel will not show arrow icon. If false, collapsible can't be set as icon | boolean | true | |