Markdown Cheat Sheet for GitHub

# H1

## H2

### H3

#### H4

##### H5

###### H6

**Bold text**

*Italic text*

***Bold and Italic***

~~Strikethrough~~

`Inline code`

==Highlight==

- Item 1
- Item 2
  - Nested item
  - Another nested item
- Item 3

1. First item
2. Second item
3. Third item
   1. Nested numbered item
   2. Another nested item

- [x] Completed task
- [ ] Incomplete task
- [x] Another completed task

[Link text](https://example.com)

[Link with title](https://example.com "Title")

![Alt text](image.jpg)

![Alt text](image.jpg "Image title")

<https://example.com>

[Reference link][1]

[1]: https://example.com

```
code block
```

```javascript
const hello = 'world';
console.log(hello);
```

```python
def hello_world():
    print('Hello, World!')
```

    // Indented code block
    const x = 42;

| Header 1 | Header 2 | Header 3 |
|----------|----------|----------|
| Row 1    | Data     | Data     |
| Row 2    | Data     | Data     |

| Left | Center | Right |
|:-----|:------:|------:|
| L1   |   C1   |    R1 |
| L2   |   C2   |    R2 |

> This is a blockquote

> Nested quote
>> Double nested
>>> Triple nested

> **Note:** This is important
> 
> Multiple paragraphs in quote

---

***

___

\*escaped asterisk\*

<details>
<summary>Click to expand</summary>
Hidden content
</details>

<!-- This is a comment -->

<kbd>Ctrl</kbd> + <kbd>C</kbd>

Text with footnote[^1]

[^1]: Footnote content

@username

#123

:smile: :heart: :rocket:

```diff
+ Added line
- Removed line
```