@wordpress/block-library/src/tabs/README.md

Block library for the WordPress editor.

# Tabs

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Display content in a tabbed interface to help users navigate detailed content with ease.

- **Name:** `core/tabs`
- **Category:** [design](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-design/)
- **API Version:** [3](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-api-versions/)
- **Block Type:** [Hybrid](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/) (static save + server enhancements)

## Block Relationships

**[Allowed](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-metadata/#allowed-blocks) inner blocks:**
- [`core/tab-list`](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-design/core-block-tab-list/)
- [`core/tab-panels`](https://developer.wordpress.org/block-editor/reference-guides/core-blocks/core-blocks-design/core-block-tab-panels/)

## Attributes

_Defined via the [`attributes`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/) property in block.json._

| Attribute | [Type](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#type-validation) | [Default](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#default-value) | Description |
|-----------|------|---------|-------------|
| `activeTabIndex` | `number` | `0` | — |
| `editorActiveTabIndex` | `number` | — | [Role](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#role): `local` |

## Supports

_Defined via the [`supports`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/) property in block.json._

- [`align`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#align): `true`
- [`anchor`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#anchor): `true`
- [`color`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color):
  - [`text`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-text): `true`
  - [`background`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#color-background): `true`
- [`layout`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#layout):
  - [`allowEditing`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#layout-allowediting): `false`
- [`html`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#html): `false`
- [`interactivity`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#interactivity): `true`
- [`spacing`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#spacing):
  - `blockGap`: `true`
  - `margin`: `true`
  - `padding`: `true`
- [`typography`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography):
  - [`fontSize`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/#typography-fontsize): `true`

## Context

_Defined via the [`usesContext` and `providesContext`](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-context/) properties in block.json._

**Uses context:**

- `core/tabs-list`
- `core/tabs-id`

## Block Markup

This is a [**hybrid block**](https://developer.wordpress.org/block-editor/getting-started/fundamentals/static-dynamic-rendering/). It saves static markup that the server may enhance during rendering.

```html
<!-- wp:tabs -->
<div class="wp-block-tabs"><!-- wp:tab-list -->
<div role="tablist" class="wp-block-tab-list"><button type="button" role="tab">Tab 1</button><button type="button" role="tab">Tab 2</button></div>
<!-- /wp:tab-list -->

<!-- wp:tab-panels -->
<div class="wp-block-tab-panels"><!-- wp:tab-panel {"label":"Tab 1"} -->
<section role="tabpanel" tabindex="0" class="wp-block-tab-panel"><!-- wp:paragraph -->
<p>Panel 1</p>
<!-- /wp:paragraph --></section>
<!-- /wp:tab-panel -->

<!-- wp:tab-panel {"label":"Tab 2"} -->
<section role="tabpanel" tabindex="0" class="wp-block-tab-panel"><!-- wp:paragraph -->
<p>Panel 2</p>
<!-- /wp:paragraph --></section>
<!-- /wp:tab-panel --></div>
<!-- /wp:tab-panels --></div>
<!-- /wp:tabs -->
```

## Source

- [block.json](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/tabs/block.json) ([reference](https://developer.wordpress.org/block-editor/reference-guides/block-api/block-metadata/))
- [Source directory](https://github.com/WordPress/gutenberg/tree/trunk/packages/block-library/src/tabs/) — browse `edit.js`, `save.js`, `index.php`, and more.

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