Markdown

```javascript
function syntaxHighlighting() {
  var n = 33;
  var s = "hello, こんにちは";
  console.log(s);
}
```

* plain
* *emphasis*
  * **strong emphasis**
    * ~~strikethrough~~
* `inline code`

1. Numbered list
   1. Numbered sub-list
      1. Numbered sub-sub-list
2. [Link](https://www.google.com)


An image:  

> Block quote.  
> *With* **some** `markdown`.

If **TeX Math** support is enabled, this is the quadratic equation: 
$-b \pm \sqrt{b^2 - 4ac} \over 2a$

# Header 1
## Header 2
### Header 3
#### Header 4
##### Header 5
###### Header 6
  
| Tables | Are | Cool |
| ------------- |:-------------:| -----:|
| column 3 is | right-aligned | $1600 |
| column 2 is | centered | $12 |
| zebra stripes | are neat | $1 |

Here's a horizontal rule:

---

```
code block
with no highlighting
```

来自为知笔记(Wiz)