# Heading
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The Heading extension adds support for headings of different levels. Headings are rendered with `<h1>`, `<h2>`, `<h3>`, `<h4>`, `<h5>` or `<h6>` HTML tags. By default all six heading levels (or styles) are enabled, but you can pass an array to only allow a few levels. Check the usage example to see how this is done.

Type <code>#&nbsp;</code> at the beginning of a new line and it will magically transform to a heading, same for <code>##&nbsp;</code>, <code>###&nbsp;</code>, <code>####&nbsp;</code>, <code>#####&nbsp;</code> and <code>######&nbsp;</code>.

## Installation
```bash
# with npm
npm install @tiptap/extension-heading

# with Yarn
yarn add @tiptap/extension-heading
```

## Settings
| Option         | Type     | Default              | Description                                                           |
| -------------- | -------- | -------------------- | --------------------------------------------------------------------- |
| HTMLAttributes | `Object` | `{}`                 | Custom HTML attributes that should be added to the rendered HTML tag. |
| levels         | `Array`  | `[1, 2, 3, 4, 5, 6]` | Specifies which heading levels are supported.                         |

## Commands
| Command | Parameters | Description                                      |
| ------- | ---------- | ------------------------------------------------ |
| heading | level      | Creates a heading node with the specified level. |

## Keyboard shortcuts
| Command                     | Windows/Linux                 | macOS                     |
| --------------------------- | ----------------------------- | ------------------------- |
| toggleHeading({ level: 1 }) | `Control`&nbsp;`Alt`&nbsp;`1` | `Cmd`&nbsp;`Alt`&nbsp;`1` |
| toggleHeading({ level: 2 }) | `Control`&nbsp;`Alt`&nbsp;`2` | `Cmd`&nbsp;`Alt`&nbsp;`2` |
| toggleHeading({ level: 3 }) | `Control`&nbsp;`Alt`&nbsp;`3` | `Cmd`&nbsp;`Alt`&nbsp;`3` |
| toggleHeading({ level: 4 }) | `Control`&nbsp;`Alt`&nbsp;`4` | `Cmd`&nbsp;`Alt`&nbsp;`4` |
| toggleHeading({ level: 5 }) | `Control`&nbsp;`Alt`&nbsp;`5` | `Cmd`&nbsp;`Alt`&nbsp;`5` |
| toggleHeading({ level: 6 }) | `Control`&nbsp;`Alt`&nbsp;`6` | `Cmd`&nbsp;`Alt`&nbsp;`6` |

## Source code
[packages/extension-heading/](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-heading/)

## Usage
<tiptap-demo name="Nodes/Heading"></tiptap-demo>