My first HackMD note (change me!)

tags: `Tag(change me!)`

This note is yours, feel free to play around. :video_game:
Type on the left :arrow_left: and see the rendered result on the right. :arrow_right:

:memo: Where do I start?

Step 1: Change the title and add a tag

[x] Create my first HackMD note (this one!)
[ ] Change its title
[ ] Add a tag

:rocket:

Step 2: Write something in Markdown

Let's try it out!
Apply different styling to this paragraph:
HackMD gets everyone on the same page with Markdown. ==Real-time collaborate on any documentation in markdown.== Capture fleeting ideas and formalize tribal knowledge.

[x] Bold
[ ] Italic
[ ] Super^script^
[ ] Sub~script~
[ ] ~~Crossed~~
[x] ==Highlight==

:::info
:bulb: Hint: You can also apply styling from the toolbar at the top :arrow_upper_left: of the editing area.

:::

Drag-n-drop image from your file system to the editor to paste it!

Step 3: Invite your team to collaborate!

Click on the Sharing menu :arrow_upper_right: and invite your team to collaborate on this note!

permalink setting demo

[ ] Register and sign-in to HackMD (to use advanced features :tada: )
[ ] Set Permalink for this note
[ ] Copy and share the link with your team

:::info
:pushpin: Want to learn more? ➜ HackMD Tutorials
:::

BONUS: More cool ways to HackMD!

Table

Features	Tutorials
GitHub Sync	:link:
Browser Extension	:link:
Book Mode	:link:
Slide Mode	:link:
Share & Publish	:link:

LaTeX for formulas

$$
x = {-b \pm \sqrt{b^2-4ac} \over 2a}
$$

Code block with color and line numbers：

var s = "JavaScript syntax highlighting";
alert(s);

UML diagrams

Alice->Bob: Hello Bob, how are you?
Note right of Bob: Bob thinks
Bob-->Alice: I am good thanks!
Note left of Alice: Alice responds
Alice->Bob: Where have you been?

Auto-generated Table of Content
[ToC]

Leave in-line comments! [color=#3b75c6]

Embed YouTube Videos

{%youtube PJuNmlE74BQ %}

Put your cursor right behind an empty bracket {} :arrow_left: and see all your choices.

And MORE ➜ HackMD Tutorials

test title