Markdown Guide

Headings

Add a number sign/signs (#) before the word to create a header.

Syntax	Output
`# Heading level 1`	Heading level 1
`## Heading level 2`	Heading level 2
`### Heading level 3`	Heading level 1
`#### Heading level 4`	Heading level 1
`##### Heading level 5`	Heading level 1
`###### Heading level 6`	Heading level 1

Horizontal Rules

Three ways create a horizontal rule, use three or more dashes (---), asterisks (***), or underscores (___) on a line by themselves.

Hyphens (---)
Asterisk (***)
Underscores (___)

OUTPUT:

Same output for three different ways to make horizontal rule

Emphasis

Bold

To bold the text, just add two asterisk (*) or underscores (_) before and after the text without space around the letters.

Italic

To italized the text, just add a asterisk (*) or underscore (_) before and after the text without space around the letters.

Syntax	Output
`_This text_ is italic.`	This text is italic.
`This text is italic`	This text is italic.

Combination of Bold and Italic

Syntax	Output
Combined with `asterisks and _underscores_`.	Combined with asterisks and underscores.
Combined with `__asterisks and underscores__`.	Combined with asterisks and underscores.

Blockquote

Add a > before the quote.

> "Attitude is a little thing that makes a big difference." - Winston Churchill

OUTPUT:

"Attitude is a little thing that makes a big difference." - Winston Churchill

Lists

Ordered Lists

To create an ordered list, add line items with numbers followed by periods. Indent one or more items to create a nested list. The numbers don't have to be in numerical order, but the list should start with the number one.

Syntax	Output
`1. Item 1`	1. Item 1
`2. Item 2`	2. Item 2
`3. Item 3`	3. Item 3

Unordered List

To create an unordered list, add dashe (-), asterisk (*), or plus sign (+) before the items. Indent one or more items to create a nested list.

Syntax	Output
`- Item 1`	Item 1
`* Item 2`	Item 2
`+ Item 3`	Item 3

Task Lists

Task lists allow you to create a list of items with checkboxes. In Markdown applications that support task lists, checkboxes will be displayed next to the content. To create a task list, add dashes (-) and brackets with a space ([ ]) in front of task list items. To select a checkbox, add an x in between the brackets ([x]).

- [x] Task 1
* [x] Task 2
+ [ ] Task 3

OUTPUT:

Task 1
Task 2
Task 3

Links

There are two ways to create a link, Inline and reference-style. To create a link, enclose the link text in a square brackets ( [] ), follow it immediately with the URL in parentheses ( () ).

Syntax	Output
`[Inline-style link](https://genesisgabiola.netlify.com/)`	Inline-style link
`Reference-style link][Arbitrary case-insensitive reference text]`	Reference-style link
`[You can use numbers for reference-style link definitions][1]`	You can use numbers for reference-style link definitions

Or leave it empty and use the link text itself using [link text itself]
URLs and URLs in angle brackets will automatically get turned into links.

http://www.example.com or http://www.example.com and sometimes example.com (but not on Github, for example).

Some text to show that the reference links can follow later.

[arbitrary case-insensitive reference text]: https://genesisgabiola.netlify.com/
[1]: https://genesisgabiola.netlify.com/
[link text itself]: https://genesisgabiola.netlify.com/

Links with Titles

Title is not required and it's optional, this will appear as a tooltip when the user hovers on the link. To add a title, enclose it in parentheses ( () ) after the URL.

Syntax	Output
Check my `[website](https://genesisgabiola.netlify.com/ "Genesis Website")`.	Check my website.

URLs and Email Addresses

To quickly turn a URL or email address into a link, enclose it in angle brackets.

Syntax	Output
My website is `<https://genesisgabiola.netlify.com>` and my contact is `<genesisgabiola@yahoo.com>`	My website is https://genesisgabiola.netlify.com and my contact is genesisgabiola@yahoo.com

Images

Two ways to add an an image.

Syntax	Output
Inline-style: `![Markdown Logo](https://github.com/adam-p/markdown-here/raw/master/src/common/images/icon48.png "Logo Title Text 1")`
Reference-style: `![Markdown Logo][logo]`

This is the 2nd step for the reference-style image link: [logo]: https://github.com/adam-p/markdown-here/raw/master/src/common/images/icon48.png "Logo Title Text 2"

Youtube Videos

They can't be added directly but you can add an image with a link to the video like this:

<a href="http://www.youtube.com/watch?feature=player_embedded&v=YOUTUBE_VIDEO_ID_HERE" target="_blank">
  <img src="http://img.youtube.com/vi/YOUTUBE_VIDEO_ID_HERE/0.jpg" alt="IMAGE ALT TEXT HERE" width="240" height="180" border="10" />
</a>

Or, in pure Markdown, but losing the image sizing and border:

[![IMAGE ALT TEXT HERE](http://img.youtube.com/vi/YOUTUBE_VIDEO_ID_HERE/0.jpg)](http://www.youtube.com/watch?v=YOUTUBE_VIDEO_ID_HERE)

Code

To denote a word or phrase as inline code block, enclose it with tick marks or backtique (`).

Syntax	Output
Press`Ctrl + C`	Press `Ctrl + C`

Code Blocks with Syntax Highlighting

Inline code has back-ticks around it.

Shell Code:

```sh
npm install
npm start
```

OUTPUT:

npm install
npm start

JavaScript Code:

```js
function add(num1, num2) {
  return num1 + num2;
}
```

OUTPUT:

function add(num1, num2) {
  return num1 + num2;
}

Python Code:

```py
def add(num1, num2):
    return num1 + num2
```

OUTPUT:

def add(num1, num2):
    return num1 + num2

To see what languages are available for highlighting, and how to write those language names, see the highlight.js demo page.

Escaping Characters

To display a literal character that would otherwise be used to format text in a Markdown document, add a backslash (\) in front of the character.

Syntax	Output
`\- Without the backslash, this would be a bullet in an unordered list.`	- Without the backslash, this would be a bullet in an unordered list.

Escaping Tick Marks

If the word or phrase you want to denote as code includes one or more tick marks, you can escape it by enclosing the word or phrase in double tick marks (``).

Syntax	Output
``Use `code` in markdown.``	`Use` `code` `in markdown.`

Tables

To create a table, use three or more hyphens (---) to make a column’s header, and use pipes (|) to separate each column.

| Name     | Email          | Job         |
| -------- | -------------- | ----------- |
| John Doe | john@gmail.com | Programmer  |
| Jane Doe | jane@gmail.com | Accountant  |

OUTPUT

Name	Email	Job
John Doe	john@gmail.com	Programmer
Jane Doe	jane@gmail.com	Accountant

The outer pipes (|) are optional, and you don't need to make the raw Markdown line up prettily. You can also use inline Markdown.

Markdown | Less | Pretty
--- | --- | ---
*Still* | `renders` | **nicely**
1 | 2 | 3

OUTPUT:

Markdown	Less	Pretty
Still	`renders`	nicely
1	2	3

Alignment

You can align text in the columns to the left, right, or center by adding a colon (:) to the left, right, or on both side of the hyphens within the header row.

| Name     | Email          | Job         |
| :------- | :------------: | ----------: |
| John Doe | john@gmail.com | Programmer  |
| Jane Doe | jane@gmail.com | Accountant  |

OUTPUT:

Name	Email	Job
John Doe	john@gmail.com	Programmer
Jane Doe	jane@gmail.com	Accountant

Heading IDs

To add a custom heading ID, enclose the custom ID in curly braces on the same line as the heading.

### Heading IDs {#heading-ids}

Linking to Heading IDs

You can link to headings with custom IDs in the file by creating a standard link with a number sign (#) followed by the custom heading ID.

Syntax	Output
`[Heading IDs](#heading-ids)`	Heading IDs

Strikethrough

To strikethrough words, use two tilde (~~) symbols before and after the word, just like how we bold and italized the text.

Syntax	Output
`~~This text~~ is strikethrough.`	~~This text~~ is strikethrough.

Collapsible Section

Collapsible section with markdown

<details>
  <summary>Click to expand!</summary>
  
  ## Heading
  1. A numbered
  2. list
    - With some
    - Sub bullets
</details>

OUTPUT:

Click to expand!

Heading

A numbered
list
- With some
- Sub bullets

Note:

Make sure you have an empty line after the closing </summary> tag.
Make sure you have an empty line after the closing </details> tag if you have multiple collapsible sections.

TeX Mathematical Formulae

A full description of TeX math symbols is beyond the scope of this cheatsheet. Here's a good reference, and you can try stuff out on CodeCogs. You can also play with formulae in the Markdown Here options page.

Here are some examples to try out:

 $-b \pm \sqrt{b^2 - 4ac} \over 2a$
 $x = a_0 + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3 + a_4}}}$
 $\forall x \in X, \quad \exists y \leq \epsilon$

The beginning and ending dollar signs ($) are the delimiters for the TeX markup.

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Markdown Guide

Headings

Heading level 1

Heading level 2

Heading level 1

Heading level 1

Heading level 1

Heading level 1

Horizontal Rules

Emphasis

Bold

Italic

Combination of Bold and Italic

Blockquote

Lists

Ordered Lists

Unordered List

Task Lists

Links

Links with Titles

URLs and Email Addresses

Images

Youtube Videos

Code

Code Blocks with Syntax Highlighting

Escaping Characters

Escaping Tick Marks

Tables

Alignment

Heading IDs

Linking to Heading IDs

Strikethrough

Collapsible Section

Collapsible section with markdown

Heading

TeX Mathematical Formulae

References:

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Markdown Guide

Headings

Heading level 1

Heading level 2

Heading level 1

Heading level 1

Heading level 1

Heading level 1

Horizontal Rules

Emphasis

Bold

Italic

Combination of Bold and Italic

Blockquote

Lists

Ordered Lists

Unordered List

Task Lists

Links

Links with Titles

URLs and Email Addresses

Images

Youtube Videos

Code

Code Blocks with Syntax Highlighting

Escaping Characters

Escaping Tick Marks

Tables

Alignment

Heading IDs

Linking to Heading IDs

Strikethrough

Collapsible Section

Collapsible section with markdown

Heading

TeX Mathematical Formulae

References: