Markdown Cheat Sheet
A quick reference for Markdown syntax with live previews.
# Heading 1
## Heading 2
### Heading 3Heading 1
Heading 2
Heading 3
**bold** and *italic* and ~~strikethrough~~bold and italic and strikethrough
> This is a blockquote
>
> It can span multiple linesThis is a blockquote
It can span multiple lines
- First item
- Second item
- Nested item
- Third item- First item
- Second item
- Nested item
- Third item
1. First
2. Second
3. Third- First
- Second
- Third
- [x] Completed task
- [ ] Pending task
- [ ] Another task- Completed task
- Pending task
- Another task
[Link text](https://example.com)
Use `backticks` for inline codeUse backticks for inline code
```javascript
function hello() {
return "world";
}
```function hello() {
return "world";
}| Name | Role |
|------|------|
| Alice | Dev |
| Bob | Design || Name | Role |
|---|---|
| Alice | Dev |
| Bob | Design |
Link to another note with [[My Note]], or set custom text with [[My Note|display text]].Link to another note with My Note, or set custom text with display text.
Embed an image or file with ![[diagram.png]] or ![[report.pdf]].Embed an image or file with
This is ==highlighted text== in a sentence.This is highlighted text in a sentence.
Inline %%author-only note%% that stays faded in preview.
%%
Block comments work too — multi-line notes for yourself.
%%Inline author-only note that stays faded in preview.
Block comments work too — multi-line notes for yourself.
> [!note]
> Important information that users should know.Important information that users should know.
> [!tip]
> Helpful advice to make things easier.Helpful advice to make things easier.
> [!warning]
> Something to be careful about.Something to be careful about.
> [!note] Custom Title
> Callouts can have custom titles.Callouts can have custom titles.
> [!tip]+ Click to collapse
> This callout starts expanded.
> Click the title to toggle.This callout starts expanded. Click the title to toggle.
-# Small muted caption text under a messageSmall muted caption text under a message
Regular word and __an underlined word__ in a sentence.Regular word and an underlined word in a sentence.
The answer is ||42 — click to reveal||.The answer is 42 — click to reveal.
Heads up <@123456789012345678> — check the new thread.Heads up @User — check the new thread.
Calling all <@&987654321098765432> members.Calling all @Role members.
Post updates in <#111222333444555666>.Post updates in #channel.
Run </ping:123456789012345678> to check latency.Run /ping to check latency.
Open <id:customize> to pick your roles.Open Server Customize to pick your roles.
Event starts <t:1783501931> — see you there.Event starts — see you there.
Starting <t:1783501931:R>.Starting .
The deadline is <t:1783501931:D>.The deadline is .
Nice work :tada: — happy :wink: to see it.Nice work :tada: — happy :wink: to see it.
---
title: My Note
author: Dana Kim
published: 2026-01-15
tags:
- research
- notes
---
Content starts below the card.Content starts below the card.
Euler's identity: $e^{i\pi} + 1 = 0$Euler's identity:
$$\int_{-\infty}^{\infty} e^{-x^2} dx = \sqrt{\pi}$$$\alpha, \beta, \gamma, \delta, \theta, \pi, \omega$
$$\sum_{i=1}^{n} i = \frac{n(n+1)}{2}$$```mermaid
graph TD
A[Start] --> B{Decision}
B -->|Yes| C[Do it]
B -->|No| D[Skip]
``````mermaid
sequenceDiagram
User->>Server: Request
Server-->>User: Response
``````mermaid
pie title Traffic
"Organic" : 45
"Direct" : 30
"Social" : 25
```