📘 Markdown Cheat Sheet

Headings

# H1
## H2
### H3
#### H4
##### H5
###### H6

*italic* or _italic_  
**bold** or __bold__  
***bold italic***  
~~strikethrough~~

- Item 1
- Item 2
  - Subitem 2.1
* Item 3

1. First
2. Second
   1. Subitem

[Text](https://example.com)
[OpenAI](https://openai.com)

![Alt text](https://via.placeholder.com/150)

`inline code`

```language function greet() { console.log(“Hello, world!”); } ```

> This is a quote.
>> Nested quote.

---
***
___

| Syntax | Description |
|--------|-------------|
| Header | Title       |
| Cell   | Text        |

- [x] Task complete
- [ ] Task incomplete

Use a backslash \ to escape Markdown characters:

\*escaped asterisk\*