Markdown editors:

http://editor.md.ipandao.com/en.html

https://dillinger.io/



Link:
[Markdown CheatSheet](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet)
bold - **text**
underline - <u>text</u>
underline - ++text++
# H1
## H2

***
Code snippet:

```javascript
const s = "JavaScript syntax highlighting";
console.log(s);
```

***
> Blockquotes are very handy to emulate reply text.
> This line is part of the same quote.