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---
category: Components
group: Layout
title: Splitter
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description: Split panels to isolate
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*f0SISaETY0wAAAAAAAAAAAAADrJ8AQ/original
coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*y92yRYhObU8AAAAAAAAAAAAADrJ8AQ/original
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demo:
cols: 1
tag: 5.21.0
---
## When To Use
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Can be used to separate areas horizontally or vertically. When you need to freely drag and adjust the size of each area. When you need to specify the maximum and minimum width and height of an area.
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## Examples
<!-- prettier - ignore -->
< code src = "./demo/size.tsx" > Basic< / code >
< code src = "./demo/control.tsx" > Control mode< / code >
< code src = "./demo/vertical.tsx" > Vertical< / code >
< code src = "./demo/collapsible.tsx" > Collapsible< / code >
< code src = "./demo/multiple.tsx" > Multiple panels< / code >
< code src = "./demo/group.tsx" > Complex combination< / code >
< code src = "./demo/debug.tsx" debug > Debug< / code >
## API
Common props ref：
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> The Splitter component needs to calculate the panel size through its child elements, so its child elements only support `Splitter.Panel`.
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### Splitter
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| layout | Layout direction | `horizontal` \| `vertical` | `horizontal` | - |
| onResizeStart | Callback before dragging starts | `(sizes: number[]) => void` | - | - |
| onResize | Panel size change callback | `(sizes: number[]) => void` | - | - |
| onResizeEnd | Drag end callback | `(sizes: number[]) => void` | - | - |
### Panel
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
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| defaultSize | Initial panel size support number for px or 'percent%' usage | `number \| string` | - | - |
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| min | Minimum threshold support number for px or 'percent%' usage | `number \| string` | - | - |
| max | Maximum threshold support number for px or 'percent%' usage | `number \| string` | - | - |
| size | Controlled panel size support number for px or 'percent%' usage | `number \| string` | - | - |
| collapsible | Quick folding | `boolean \| { start?: boolean; end?: boolean }` | `false` | - |
| resizable | Whether to enable drag and drop | `boolean` | `true` | - |
## Design Token
< ComponentTokenTable component = 'Splitter' > < / ComponentTokenTable >
