# H1
## H2
### H3
**bold text**
*italicized text*
> blockquote
1. First item
2. Second item
3. Third item
- First item
- Second item
- Third item
`code`
---
[title](https://www.example.com)

这些元素通过添加额外的功能扩展了基本语法。但是,并非所有 Markdown 应用程序都支持这些元素。
| Syntax | Description |
| ----------- | ----------- |
| Header | Title |
| Paragraph | Text |
| Syntax | Description |
|---|---|
| Header | Title |
| Paragraph | Text |
{
"firstName": "John",
"lastName": "Smith",
"age": 25
}
Here's a sentence with a footnote. [^1]
[^1]: This is the footnote.
### My Great Heading {#custom-id}
term
: definition
~~The world is flat.~~
- [x] Write the press release
- [ ] Update the website
- [ ] Contact the media
