## Basic Markdown
> The following node and marks is supported by the Markdown standard.
Format text with **bold**, _italic_, _**combined styles**_, ~~strikethrough~~, `code` formatting, and [hyperlinks](https://en.wikipedia.org/wiki/Hypertext).
```javascript
// Use code blocks to showcase code snippets
function greet() {
console.info("Hello World!")
}
```
- Simple lists for organizing content
1. Numbered lists for sequential steps
| **Plugin** | **Element** | **Inline** | **Void** |
| ----------- | ----------- | ---------- | -------- |
| **Heading** | | | No |
| **Image** | Yes | No | Yes |
| **Mention** | Yes | Yes | Yes |
- [x] Completed tasks
- [ ] Pending tasks
---
## Advanced Features
<callout>
The following node and marks are not supported in Markdown but can be serialized and deserialized using MDX or specialized UnifiedJS plugins.
</callout>
Advanced marks: <kbd>⌘ + B</kbd>,<u>underlined</u>, <mark>highlighted</mark> text, <span style="color: #93C47D;">colored text</span> and <span style="background-color: #6C9EEB;">background highlights</span> for visual emphasis.
Superscript like E=mc<sup>2</sup> and subscript like H<sub>2</sub>O demonstrate mathematical and chemical notation capabilities.
Add mentions like @BB-8, dates (<date>2025-05-08</date>), and math formulas ($E=mc^2$).
The table of contents feature automatically generates document structure for easy navigation.
<toc />
Math formula support makes displaying complex mathematical expressions simple.
$$
\frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
$$
Multi-column layout features enable richer page designs and content layouts.
<column_group layout="[50,50]">
<column width="50%">
left
</column>
<column width="50%">
right
</column>
</column_group>
PDF embedding makes document referencing simple and intuitive.
<file name="sample.pdf" align="center" src="https://s26.q4cdn.com/900411403/files/doc_downloads/test.pdf" width="80%" isUpload="true" />
Audio players can be embedded directly into documents, supporting online audio resources.
<audio align="center" src="https://samplelib.com/lib/preview/mp3/sample-3s.mp3" width="80%" />
Video playback features support embedding various online video resources, enriching document content.
<video align="center" src="https://videos.pexels.com/video-files/6769791/6769791-uhd_2560_1440_24fps.mp4" width="80%" isUpload="true" />
:smile: :heart:
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