# Superscript
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Use this extension to render text in <sup>superscript</sup>. If you pass `<sup>` or text with `vertical-align: super` as inline style in the editor’s initial content, both will be normalized to a `<sup>` HTML tag.

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

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

## Settings
| Option         | Type     | Default | Description                                                           |
| -------------- | -------- | ------- | --------------------------------------------------------------------- |
| HTMLAttributes | `Object` | `{}`    | Custom HTML attributes that should be added to the rendered HTML tag. |

## Commands
| Command           | Parameters | Description               |
| ----------------- | ---------- | ------------------------- |
| setSuperscript    | —          | Mark text as superscript. |
| toggleSuperscript | —          | Toggle superscript mark.  |
| unsetSuperscript  | —          | Remove superscript mark.  |

## Keyboard shortcuts
| Command             | Windows/Linux      | macOS          |
| ------------------- | ------------------ | -------------- |
| toggleSuperscript() | `Control`&nbsp;`.` | `Cmd`&nbsp;`.` |

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

## Usage
<tiptap-demo name="Marks/Superscript"></tiptap-demo>