648

Notes:

  • Answers will occasionally be moved to the Sandbox archive when there are too many of them. When using them to report bugs, keep an eye on the post.

  • You may also want to take a look at the Stack Exchange's Sandbox chat room

  • This site, Meta Stack Exchange, is usually used as a "test bed" for pending changes happening to the way text is rendered on all network sites. Changes to text rendering that are going to be rolled out to the network are usually deployed here first to test them out and fix any potential glitches. Currently, there are no such changes pending, but if there were, keep in mind that text posted here may render differently from the other sites until the changes roll out to them as well.

As per Jeff's suggestion in this comment:

You can use this question as a formatting sandbox. You can:

  • edit this question itself (Community Wiki questions such as this one require only 100 reputation to edit instead of 2,000)
  • post answers to this question (This question might be protected, requiring earning 10 reputation on this site to answer)
  • post comments to this question or its answers
  • test suspected bugs with the editor or the rendering
  • post ponies (only when mods are asleep)

Beware that since the changes to syntax highlighting in December 2010, and the inline hints added in March 2011, no syntax highlighting is applied unless the question's tags or an inline hint enable it. So, to test highlighting here in the sandbox:

  1. As of January 8, 2019, you can use GitHub-flavor fenced code blocks in your posts, specifying the language after the opening fence:

    ```html
    While not hinted otherwise: <html></html> source <b>goes</b> "here".
    ```
    
    ```js
    var a = 3;
    while (not (a > 0)) {
        alert("JavaScript code <b>goes</b> here.");
    }
    ```
    
  2. Or:

    • Create code blocks in any way (using the fence notation above, the four-space indent form, or using HTML <pre><code> tags).

    • Save your post!

    • Use your browser's developer tools to edit the resulting HTML. To open developer tools, press F12, or ⌥⌘ I on Mac.

    • Find the <pre> element and add the attribute class="prettyprint", or change it into one of the valid syntax hints linked above, like class="lang-vb prettyprint".

    • Run the following in the location bar: javascript:prettyPrint(); or prettyPrint() in the console.

Answers that are considered annoying or obnoxious, or that cause breakage for users, will be deleted. This is codified as a policy as of March 29, 2018.

12

303 Answers 303

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2 3 4 5
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The Comprehensive Formatting Test

Supported Markdown

Stack Exchange maintains its own Markdown Help page. It maintains a subset containing most, but not all markdown features.

Code Formatting

  • Inline code formatting or code spans

    • To place code inline, enclose your code in a pair of backtick characters (`). In the editor, you can highlight a portion of text in a single line and either press Ctrl-k or press the {} toolbar button.

        Use the line `System.out.println("Hello World!");`.
      

      Use the line System.out.println("Hello World!");.

    • Escape a backtick within inline code by enclosing the inline code with double-tickmarks:

        Within code: ``for line in `someCommand` ``
      

      Within code: for line in `someCommand`

    • A single backtick character in a line won't form a code block.

        The backtick character is '`'
      

      The backtick character is '`'.

    • To escape multiple backtick characters in a line, without forming a code block, escape the first with a backslash character:

      There are two backtick characters ('\`') in this line ('`').
      

      There are two backtick characters ('`') in this line ('`').

    • Outside of a code block, you can always escape any backtick character.

        There are two backtick characters ('\`') in this line ('\`').
      

      There are two backtick characters ('`') in this line ('`').

    • Use the same number of backticks, before and after a span, to escape any backticks within:

        ```````` Escaped `` backticks `! ````````
      

      Escaped `` backticks `!

  • Block code formatting

    • To place a code block, indent the lines containing your code by 4 space characters. In the editor, you can highlight lines of text and either press Ctrl-k or press the {} toolbar button.

          System.out.println("Hello World!");
          System.out.println("Code Block!");
      
        System.out.println("Hello World!");
        System.out.println("Code Block!");
      
    • One may also place a code fence, which is 3 or more backtick or tilde characters, each on their own line, before and after the code.

      ```
      System.out.println("Hello World!");
      System.out.println("Code Fence with backticks!");
      ```
      
      System.out.println("Hello World!");
      System.out.println("Code Fence with backticks!");
      

      ~~~
      System.out.println("Hello World!");
      System.out.println("Code Fence with tildes!");
      ~~~
      
      System.out.println("Hello World!");
      System.out.println("Code Fence with tildes!");
      

      ~~~~~~~~~~~~~~~~~~~~
      System.out.println("Hello World!");
      System.out.println("Code Fence with 20 tildes!");
      ~~~~~~~~~~~~~~~~~~~~
      
      System.out.println("Hello World!");
      System.out.println("Code Fence with 20 tildes!");
      
  • HTML and other markdown are not supported within code spans or code blocks.

    ```
    <code> *Not in code!* </code>
    ```
    
    <code> *Not in code!* </code>
    

Line Breaks

  • Simply placing one line break doesn't produce a line break when rendered.

    This is one line.
    This was intended to be on the next line, but it appears on the same line.
    

    This is one line. This was intended to be on the next line, but it appears on the same line.

  • Using one or more blank lines produces a paragraph break.

    This is one paragraph.  It has some sentences.
    
    This is intended to be a second paragraph.
    

    This is one paragraph. It has some sentences.

    This is intended to be a second paragraph.

  • Use two spaces at the end of a line to force a line break.

    This is one line.  
    This is intended to be on the next line.
    

    This is one line.
    This is intended to be on the next line.

  • Use an HTML <br> tag to produce a line break.

    This is one line.<br>
    This is intended to be on the next line.
    

    This is one line.
    This is intended to be on the next line.

Italics and Bold

  • Surround text with exactly one underscore (_) or one asterisk (*) to render text in italics.

    This is _italic_ text. This is *italic* too.

    This is italic text. This is italic too.

  • Surround text with exactly two underscores (__) or two asterisks (**) to render text in bold.

    This is __bold__ text. This is **bold** too.

    This is bold text. This is bold too.

  • Surround text with both of the above to render text in bold and italic.

    ___underscores only___ and ***asterisks only*** and __*underscore and asterisk*__ and **_asterisk and underscore_**.

    underscores only and asterisks only and underscore and asterisk and asterisk and underscore.

  • 3 or more and odd does both bold and italic. 4 or more and even does bold only. Using both _ and * for the same purpose: outside ones count, inside ones ignored.

    ****Four!****

    Four!

    _____Five!_____

    Five!

    ______Six!______

    Six!

    *******Seven!*******

    Seven!

    **__Two and Two!__**

    Two and Two!

    _*One and One!*_

    One and One!

Links

  • Inline links:

    • [Display](URL)

      [Meta Stack Exchange](https://meta.stackexchange.com)
      Meta Stack Exchange

    • [Display](URL "tooltip") - Whether there are spaces in the tooltip text or not, one of double quotes, single quotes, or parentheses, for the tooltip is required.

      [Meta Stack Exchange](https://meta.stackexchange.com TopQuestions)
      Meta Stack Exchange(https://meta.stackexchange.com TopQuestions)

      [Meta Stack Exchange](https://meta.stackexchange.com "TopQuestions")
      Meta Stack Exchange

      [Meta Stack Exchange](https://meta.stackexchange.com 'TopQuestions')
      Meta Stack Exchange

      [Meta Stack Exchange](https://meta.stackexchange.com (TopQuestions))
      Meta Stack Exchange

    • Escape the first bracket not to render the link.

      \[Meta Stack Exchange](https://meta.stackexchange.com)
      [Meta Stack Exchange](https://meta.stackexchange.com)

    • Brackets within the display text must be escaped.

      [Meta \[Stack\] Exchange](https://meta.stackexchange.com)
      Meta [Stack] Exchange

    • The protocol and the colon separator (e.g. https:) are not required (i.e. protocol-relative links are supported).

      [Meta Stack Exchange](//meta.stackexchange.com)
      Meta Stack Exchange

    • Domain-relative (i.e. absolute path) links are supported.

      [help center](/help)
      help center

    • Path-relative and intra-page (i.e. fragment-only) links are NOT supported (i.e. URLs must begin with http://, https://, //, or /) (display text is rendered).

      [help center](../../../help)
      help center

      [The Comprehensive Formatting Test](#answer-325826)
      The Comprehensive Formatting Test

      [Meta Stack Exchange](meta.stackexchange.com)
      Meta Stack Exchange

  • Reference links:

    • These can be created by pressing Ctrl-L or clicking the button in the editor toolbar.

    • [Display][refName] and [refName]: URL

      [Meta Stack Exchange][1]
      
      [1]: https://meta.stackexchange.com
      

      Meta Stack Exchange

    • They must have a blank line above the reference URL, or else it won't render properly.

      [Meta Stack Exchange][99]
      [99]: https://meta.stackexchange.com
      

      [Meta Stack Exchange][99] [99]: https://meta.stackexchange.com

    • Case insensitive alphanumeric reference names.

      [Meta Stack Exchange][Thissite42]
      
      [thisSite42]: https://meta.stackexchange.com
      

      Meta Stack Exchange

    • Tooltips: Use double-quotes or parentheses, but not single-quotes.

      [Meta Stack Exchange][tooltip]
      
      [tooltip]: https://meta.stackexchange.com "Tooltip"
      

      Meta Stack Exchange


      [Meta Stack Exchange][tooltip1]
      
      [tooltip1]: https://meta.stackexchange.com 'Tooltip1'
      

      Meta Stack Exchange


      [Meta Stack Exchange][tooltip2]
      
      [tooltip2]: https://meta.stackexchange.com (Tooltip2)
      

      Meta Stack Exchange

    • Display name is the refName.

      [Meta Stack Exchange]
      
      [Meta Stack Exchange]: https://meta.stackexchange.com
      

      Meta Stack Exchange

  • Bare URLs

    • Bare URLs get turned into links.

      http://example.com

      http://example.com

    • Angle brackets force links.

      <https://www.google.com>

      https://www.google.com

    • Capital letter in protocol makes the link disappear. (But it will show up in the preview!)

      Http://stackoverflow.com

      Http://stackoverflow.com

    • Unrecognized protocol disables the link.

      doesnotexist://stackoverflow.com

      doesnotexist://stackoverflow.com

  • Magic links that work in comments do not work in a post.

[edit] [help] [main] [meta] [tour]

Images

  • Inline images, similar to links but with leading !:

    • ![Alt Text](URL)

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg)

      An image of a unicorn

    • ![Alt Text](URL "tooltip") - Whether there are spaces in the tooltip text or not, one of double quotes, single quotes, or parentheses, for the tooltip is required.

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg Unicorn!)

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg Unicorn!)

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg "Unicorn!")

      An image of a unicorn

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg 'Unicorn!')

      An image of a unicorn

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg (Unicorn!))

      An image of a unicorn

    • Escape the first bracket not to render the link.

      !\[An image of a unicorn](https://i.sstatic.net/7I1jg.jpg (Unicorn!))

      ![An image of a unicorn](https://i.sstatic.net/7I1jg.jpg (Unicorn!))

    • The protocol (e.g. https://) is required, or else only the display text is rendered.

      ![An image of a unicorn](i.sstatic.net/7I1jg.jpg (Unicorn!))

      Meta Stack Exchange

  • Reference images:

    • These can be created by pressing Ctrl-G or clicking the picture icon button in the editor toolbar.

    • ![Alt Text](refName) and [refName]: URL

      ![image of a unicorn][2]
      
      [2]: https://i.sstatic.net/7I1jg.jpg
      

      image of a unicorn

    • Like reference links, a blank line is required above the reference URL.

      ![image of a unicorn][98]
      [98]: https://i.sstatic.net/7I1jg.jpg
      

      ![image of a unicorn][98] [98]: https://i.sstatic.net/7I1jg.jpg

    • Case insensitive alphanumeric reference names.

      ![image of a unicorn][Site42]
      
      [sITE42]: https://i.sstatic.net/7I1jg.jpg
      

      image of a unicorn

    • Tooltips: Use double-quotes, single-quotes, or parentheses.

      ![image of a unicorn][TooltipImg]
      
      [tooltipImg]: https://i.sstatic.net/7I1jg.jpg "Tooltip"
      

      image of a unicorn


      ![image of a unicorn][TooltipImg1]
      
      [TooltipImg1]: https://i.sstatic.net/7I1jg.jpg 'Tooltip1'
      

      image of a unicorn


      ![image of a unicorn][TooltipImg2]
      
      [TooltipImg2]: https://i.sstatic.net/7I1jg.jpg (Tooltip2)
      

      image of a unicorn

  • Image links - surround an image with a link.

    [![image of a unicorn][ImgSrc]][1]
    
    [ImgSrc]: https://i.sstatic.net/7I1jg.jpg
    [1]: https://meta.stackexchange.com
    

    image of a unicorn


Headers

  • The number of # characters determines the header level, from 1-6. Any # characters at the end of the line are not rendered. Above six #'s are no longer treated as a header and rendered as plain text.

    Headings following a paragraph

    # Heading 1 ###

    Heading 1

    ## Heading 2 ####################

    Heading 2

    ### Heading 3

    Heading 3

    #### Heading 4

    Heading 4

    ##### Heading 5

    Heading 5

    ###### Heading 6

    Heading 6

    ####### Heading 7

    ####### Heading 7

    Headings following a heading use different top-margin spacing

    Heading 1

    Heading 2

    Heading 3

    Heading 4

    Heading 5
    Heading 6

    ####### Heading 7

  • Alternates for headers 1 and 2

    • Use equals signs under the header text for heading 1.

      Equals Signs!
      ===
      

      Equals Signs!

    • Use dashes under the header text for heading 2.

      Dashes!
      ---
      

      Dashes!

    • The triple bar ≡ doesn't seem to do anything special here.

      Triple Bar!
      ≡≡≡
      

      Triple Bar! ≡≡≡

  • Escape # with a backslash or use the HTML entity instead.

    \# Not a heading

    # Not a heading

    &#35; Not a heading

    # Not a heading

    # Heading ending with hashtag &#35;

    Heading ending with hashtag #

  • Italic headers

    # _Italic_ *Header* #

    Italic Header

Horizontal Rules

  • Use 3 or more hyphens, asterisks, or underscores by themselves on a line. Pressing Ctrl-R inserts a horizontal rule for you.

    ---
    ***
    ______
    

    Ctrl-R





  • Single spaces between the characters still works.

    - - -
    * * *
    _ _ _ _ _ _
    



  • Multiple spaces still works!

    -  -  -
    *   *   *
    _    _    _    _    _    _
    



  • Even irregular spacing is fine

    -   -          -
    *    *       *
    _    _      __      _                   _
    



Blockquotes

  • Use > or highlight text and press Ctrl-Q to create a blockquote.

    > Quoting something else

    Quoting something else

    >No space between > and text

    No space between > and text

  • One can nest blockquotes with multiple > characters.

    > First level!
    >> Second level!
    >>> Third level!
    >>
    >> Need blank line and one less < to go back to second.
    >
    > Same idea for back to first.
    

    First level!

    Second level!

    Third level!

    Need blank line and one less < to go back to second.

    Same idea for back to first.

  • Escape a > character with a backslash.

    \> I want a `>`!

    > I want a >!

  • Markdown works within a blockquote.

    > Enjoy **this** `unicorn`!
    >
    > ![image of a unicorn](https://i.sstatic.net/7I1jg.jpg)
    

    Enjoy this unicorn!

    image of a unicorn

  • Code formatting works within a blockquote. Indenting requires 5 spaces: 1 for the blockquote, and 4 for the code indention.

    >     System.out.println("Hello World!");
    
    > Inline: `System.out.println("Hello World!");`
    
    > Code fence:
    > ```
    > System.out.println("Hello World!");
    > ```
    
    System.out.println("Hello World!");
    

    Inline: System.out.println("Hello World!");

    Code fence:

    System.out.println("Hello World!");
    

Lists

  • Unordered Lists

    • Use +, -, or *, followed by a space character. Or press Ctrl-U or press the bulleted list icon in the editor toolbar.

      + One
      - Two
      * Three
      
      • One
      • Two
      • Three
    • Spaces are necessary.

      +Necessary
      

      +Necessary

    • The other main arithmetic operators don't create lists.

      / No
      % No
      ^ No
      = No
      

      / No % No ^ No = No

  • Ordered Lists

    • Use any number, followed by a period ("dot"), then a space character, or any . Or press Ctrl-O or press the numbered list icon in the editor toolbar.

      1. One
      10. Two
      42. Three
      
      1. One
      2. Two
      3. Three
    • #) also works.

      1) One
      10) Two
      42) Three
      
      1. One
      2. Two
      3. Three
    • Spaces are necessary.

      1.Necessary
      1.Necessary
      

      1.Necessary 1.Necessary

    • The period ("dot") is necessary.

      1 Necessary
      1 Necessary
      

      1 Necessary 1 Necessary

    • Can have a different starting number:

      50. fifty
      51. fifty-one
      52. fifty-two
      
      1. fifty
      2. fifty-one
      3. fifty-two
    • At most nine digits for the number

      1. One

      1. One

      12. Two

      1. Two

      123. Three

      1. Three

      1234. Four

      1. Four

      12345. Five

      1. Five

      123456. Six

      1. Six

      1234567. Seven

      1. Seven

      12345678. Eight

      1. Eight

      123456789. Nine

      1. Nine

      1234567890. Ten

      1234567890. Ten

  • Multiple lines within list items: indent 4 spaces, or do we need to?

1. Same line
    Continuation of the same line
1. Next line
Not indented
1. Next line
    Continuation of the same line
  1. Same line Continuation of the same line
  2. Next line Not indented
  3. Next line Continuation of the same line
  • Nested lists: indent 4 spaces.
1. Top level
    * Mid level
        1. Bottom level
    * Mid level
        * Bottom level
1. Top level
    1. Mid level
        + Bottom level
  1. Top level
    • Mid level
      1. Bottom level
    • Mid level
      • Bottom level
  2. Top level
    1. Mid level
      • Bottom level

  • Code within list items: indention requires blank line then 4 additional spaces beyond list indention level.
1. Top level

        System.out.println("Indented");

    ```
    System.out.println("Code fence");
    ```

    Inline: `System.out.println("Inline");`
  1. Top level

     System.out.println("Indented");
    
    System.out.println("Code fence");
    

    Inline: System.out.println("Inline");


  • Blockquote within list items: blank line then indent 4 spaces.
1. Top level

    > Quote is indented.

> Quote is not indented.
  1. Top level

    Quote is indented.

Quote is not indented.

Markdown Escapes

\\ \` \* \_ \{ \} \[ \] \( \) \# \+ \- \. \!

\ ` * _ { } [ ] ( ) # + - . !

Tables

  • Wasn't supported previously, but is now supported.

    | Syntax | Description |
    | ----------- | ----------- |
    | Header | Title |
    | Paragraph | Text |
    
    Syntax Description
    Header Title
    Paragraph Text
  • One can control the horizontal alignment by placing a colon (:) in the separator line -- first character for left, first and last for center, and last for right.

    |Left-aligned|Center-aligned|Right-aligned|
    |:-----------|:------------:|------------:|
    |Left|Center|Right|
    
    Left-aligned Center-aligned Right-aligned
    Left Center Right
  • Long-enough content will wrap.

    Wrap
    This content is long enough to wrap because it contains a lot of words meant to cause the table content to wrap to another line.
  • Content that is too long without a line break produces a horizontal scrollbar.

    Too long
    ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwyz0123456789

Unsupported Markdown

Footnotes

  • Not supported

    Text with footnote: [^1]
    
    [^1]: Footnote text
    

    Text with footnote: [^1]

[^1]: Footnote text

ID within Header

  • Part within braces is not turned into "id" attribute in the header element.

    # Header {#with-id}
    

    Header {#with-id}

Strikethrough

Though, as an alternative, you can use the HTML <strike> tag instead: strikethrough

Definition Lists

  • Not supported

    First Term
    : First definition
    : Second definition
    Second Term
    : First definition
    : Second definition
    

    First Term : First definition : Second definition Second Term : First definition : Second definition

Task Lists

  • Not supported; becomes an unordered list.

    - [x] Perform tests
    - [x] Write answer
    - [ ] Perform corrections
    
    • [x] Perform tests
    • [x] Write answer
    • [ ] Perform corrections

Stack Exchange Extensions to Markdown

Tags

  • Enclose in brackets [] and text is prefixed with tag:. Letters get lowercased. They link to the main site's tag page for that tag.

      [tag:mytag] [tag:UPPERCASE] [tag:with1number]
    

  • Allowed characters: alphanumeric plus limited punctuation: Individual -, #, .. and + characters are allowed.

      [tag:abcdefghijklmnopqrstuvwxyz-#.+ABCEDFGHIJKLMNOPQRSTUVWXYZ0123456789]
    

    • Leading and trailing - are stripped off, but the tag still forms.

        [tag:c-] [tag:c--] [tag:-c] [tag:--c] [tag:-----c] [tag:c-------]
      

    • Trailing . are stripped off, but the tag still forms.

        [tag:c.] [tag:c..] [tag:.c] [tag:..c] [tag:.....c] [tag:c.......]
      

    • Leading # are stripped off, but the tag still forms.

        [tag:c#] [tag:c##] [tag:#c] [tag:##c] [tag:#####c] [tag:c#######]
      

  • The + character is allowed. If there's only 1 in the middle, it will not render in the preview, but it will show up in the post. If there are at least 2 of them, they'll show up in the preview and the post.

      [tag:abc+def] [tag:abc++def] [tag:abc++++++++++++++++++++def]
    

    • Leading + are stripped off, but the tag still forms.

        [tag:c+] [tag:c++] [tag:+c] [tag:++c] [tag:+++++c] [tag:c+++++++]
      

  • Meta-tags: Use the meta-tag: prefix. They link to the meta site's tag page for that tag.

      [meta-tag:waffles]
    

  • Certain words, regardless of case, don't form tags, regardless of capitalization or whether it's a meta tag. There are no other words, 4 letters or less, that don't form tags. The words "and" and "or" won't form tags. In preview, "not" won't form a tag but the actual post will render it. The preview renders them as the text is, e.g. [tag:Or] but the post will render it or.

    [tag:an] [tag:and] [tag:AND] [tag:band]
    [tag:no] [tag:not] [tag:noT] [tag:note]
    [meta-tag:o] [meta-tag:or] [meta-tag:Or] [meta-tag:ore]
    [tag:and-not-or]
    

    and  and  or  or 

Spoilers

  • Create a spoiler with >!:

      >! You must click on me to view me!
    

    You must click on me to view me!

  • Markdown, including links and images, can be contained within a spoiler.

      >! _Visit [Meta Stack Exchange](https://meta.stackexchange.com) to view this picture._
      >! ![image of unicorn](https://i.sstatic.net/7I1jg.jpg)
    

    Visit Meta Stack Exchange to view this picture. image of unicorn

  • Markdown block elements aren't supported in spoilers

    >! 1. Top level `and some code`
    >! 
    >!         System.out.println("Indented");
    >! 
    >!     ```
    >!     System.out.println("Code fence");
    >!     ```
    >! 
    >!    Inline: `System.out.println("Inline");`
    

    1. Top level and some code System.out.println("Indented"); ! System.out.println("Code fence"); ! Inline: System.out.println("Inline");

  • Using HTML does work (copied from answer to: "Spoilers don't support block formatting (and so don't format well)" by badp and modified)

    >! <h3>Using HTML in a spoiler</h3>
    >!
    >! <hr/>
    >!
    >! <p>paragraph</p>
    >! <pre><code>code block 1
    >!code block 2
    >!code block 3
    >!code block 4</code></pre>
    >! <p>Just a paragraph with <code>some code</code></p>
    >! <ul>
    >!  <li> nested </li>
    >! </ul>
    >! <ol>
    >! <li> list </li>
    >! </ol>
    >!
    >! <blockquote>
    >!  <p>even nested quotes!</p>
    >!
    >! <pre><code>code block 1
    >!code block 2
    >!code block 3
    >!code block 4</code></pre>
    >!  <p>Just a paragraph with <code>some code</code> and a link to [Meta Stack Exchange](https://meta.stackexchange.com)</p>
    >!  <ol>
    >!   <li>with nested nested formatting!</li>
    >!  </ol>
    >! </blockquote>
    

    Using HTML in a spoiler


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    Just a paragraph with some code and a link to Meta Stack Exchange

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    1. list

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    Just a paragraph with some code

    1. with nested nested formatting!

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print("Hello World")
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puts "Hello World!"
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schematic

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<p><sup><a href="/plugins/schematics?image=http%3a%2f%2fi.stack.imgur.com%2f9DUDp.png">simulate this circuit</a> &ndash; Schematic created using <a href="https://www.circuitlab.com/" rel="nofollow">CircuitLab</a></sup></p>

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      Put it on the<br>next line.
    

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    That's not right. That's not even wrong. Correct.

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    Two

    Three

    Four

    Five
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      End of thought <hr> Next thought
    

    End of thought


    Next thought

  • <img>: src then width then height then alt then title

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    image of unicorn
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        <ol start="2147483647"><li>First</li></ol>
      
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    x2 + A0

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      abcdef

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      <table><tr><td>Not</td><td>Supported</td></tr></table>
    
    NotSupported
  • Escape your <>

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Unicode

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Zalgo

Z̸̧̦̥͔̻̞̟͔͒̓̄̓͐͆͋̃̅͆̓͘̚͝͝à̷̛̜͇̺̖̯̭͓̱̱̣̺̲̪̰l̷̢̳̤̮͈͎̩̱̳̱̱̞͆͂̽̀̃͒̿̄̅͊͘͘̚͠͝ͅg̷͙͋o̶̧̩̓̓͌̄͊͐̓̇̏͝ ̶̛͚͖͍̦͕̞͈͆̋̓̈̏̈̓̊̅͆͘͜t̸̬̮̖̖͙͔̮͊̔͊͌́̈́͒̇͒̽̑̎̚̕͠ė̶̖̰̬͙͙̇̈͌͘͜͜x̴͔̎t̶̖́̒̏͒͌̈́̏͊̒̉ͅ ̵̨͍̬͔̼̣̘̖͍͖̘͍͋̑͛̂̾̋ḧ̸̡̘̬̲̣̺́́̿̀̈ͅé̷̦̰̻̤̲̺̠̏͒̉͛̍͌̍ͅr̶̩̯̱̜͆̌̾͌̑̇̊͒̃̀̽̍̚é̴̜̉̇̿̈́͌̕.̸̢̱͔̲̫̇͌̽̌͂͊͊̈́̇

44
  • 10
    Comment only magic links: [meta] [meta], [main] [main], [edit] edit, [help] help center, [help/on-topic] help center, [help/dont-ask] help center, [help/behavior] help center, [meta-help] help center, [tour] tour, [so] Stack Overflow, [su] Super User, [sf] Server Fault, [metase] Meta Stack Exchange, [a51] Area 51, [se] Stack Exchange, [pt.so] Stack Overflow em Português, [chat] Meta Stack Exchange Chat, [ask] How to Ask, [answer] How to Answer, [astronomy.se] Astronomy, [math.se] Mathematics, [meta.astronomy.se], Astronomy Meta, [meta.math.se] Mathematics Meta, [mcve] [mcve].
    – rgettman
    Commented Mar 27, 2019 at 23:45
  • 1
    Unicode characters work: ☺🐉 ᵃᵉⁱᵒᵘ ₐₑᵢₒᵤ s̶t̶r̶i̶k̶e̶o̶u̶t̶ Z̸̧̦̥͔̻̞̟͔͒̓̄̓͐͆͋̃̅͆̓͘̚͝͝à̷̛̜͇̺̖̯̭͓̱̱̣̺̲̪̰l̷̢̳̤̮͈͎̩̱̳̱̱̞͆͂̽̀̃͒̿̄̅͊͘͘̚͠͝ͅg̷͙͋o̶̧̩̓̓͌̄͊͐̓̇̏͝ ̶̛͚͖͍̦͕̞͈͆̋̓̈̏̈̓̊̅͆͘͜t̸̬̮̖̖͙͔̮͊̔͊͌́̈́͒̇͒̽̑̎̚̕͠ė̶̖̰̬͙͙̇̈͌͘͜͜x̴͔̎t̶̖́̒̏͒͌̈́̏͊̒̉ͅ ̵̨͍̬͔̼̣̘̖͍͖̘͍͋̑͛̂̾̋ḧ̸̡̘̬̲̣̺́́̿̀̈ͅé̷̦̰̻̤̲̺̠̏͒̉͛̍͌̍ͅr̶̩̯̱̜͆̌̾͌̑̇̊͒̃̀̽̍̚é̴̜̉̇̿̈́͌̕.̸̢̱͔̲̫̇͌̽̌͂͊͊̈́̇
    – rgettman
    Commented Mar 27, 2019 at 23:52
  • 3
    ‮**I love RTLO! It makes comments go crazy.**
    – user495830
    Commented Mar 30, 2019 at 22:15
  • 12
    Why is this so freaking long?!?!? It takes up over half of the page!
    – Bookwyrm
    Commented Apr 2, 2019 at 1:38
  • 1
    bold formatted italic formatted bold italic formatted Tag link: waffles Hover for popup
    – rgettman
    Commented Apr 9, 2019 at 20:29
  • 1
    𝐔𝐧𝐢𝐜𝐨𝐝𝐞 𝐛𝐨𝐥𝐝. 𝑈𝑛𝑖𝑐𝑜𝑑𝑒 𝑖𝑡𝑎𝑙𝑖𝑐. 𝑼𝒏𝒊𝒄𝒐𝒅𝒆 𝒃𝒐𝒍𝒅 𝒂𝒏𝒅 𝒊𝒕𝒂𝒍𝒊𝒄. Bold 𝐔𝐧𝐢𝐜𝐨𝐝𝐞 𝐛𝐨𝐥𝐝. Bold 𝑈𝑛𝑖𝑐𝑜𝑑𝑒 𝑖𝑡𝑎𝑙𝑖𝑐. Bold 𝑼𝒏𝒊𝒄𝒐𝒅𝒆 𝒃𝒐𝒍𝒅 𝒂𝒏𝒅 𝒊𝒕𝒂𝒍𝒊𝒄. Italic 𝐔𝐧𝐢𝐜𝐨𝐝𝐞 𝐛𝐨𝐥𝐝. Italic 𝑈𝑛𝑖𝑐𝑜𝑑𝑒 𝑖𝑡𝑎𝑙𝑖𝑐. Italic 𝑼𝒏𝒊𝒄𝒐𝒅𝒆 𝒃𝒐𝒍𝒅 𝒂𝒏𝒅 𝒊𝒕𝒂𝒍𝒊𝒄. Bold and italic 𝐔𝐧𝐢𝐜𝐨𝐝𝐞 𝐛𝐨𝐥𝐝. Bold and italic 𝑈𝑛𝑖𝑐𝑜𝑑𝑒 𝑖𝑡𝑎𝑙𝑖𝑐. Bold and italic 𝑼𝒏𝒊𝒄𝒐𝒅𝒆 𝒃𝒐𝒍𝒅 𝒂𝒏𝒅 𝒊𝒕𝒂𝒍𝒊𝒄.
    – rgettman
    Commented Apr 9, 2019 at 20:37
  • 3
    Ⓗⓞⓛⓛⓞⓦ ⓑⓤⓑⓑⓛⓔⓢ, 🅕🅘🅛🅛🅔🅓 🅑🅤🅑🅑🅛🅔🅢, 🄟⒜⒭⒠⒩⒯⒣⒠⒮⒤⒵⒠⒟ ⒞⒣⒜⒭⒜⒞⒯⒠⒭⒮, C̷h̷i̷c̷k̷e̷n̷ ̷s̷c̷r̷a̷t̷c̷h̷e̷s̷, U͟n͟d͟e͟r͟l͟i͟n͟e͟d͟, Sᴍᴀʟʟ Cᴀᴘs, 𝒮𝒸𝓇𝒾𝓅𝓉 𝓉ℯ𝓍𝓉, 𝓑𝓸𝓵𝓭 𝓢𝓬𝓻𝓲𝓹𝓽 𝓽𝓮𝔁𝓽, 𝔹𝕝𝕒𝕔𝕜𝕓𝕠𝕒𝕣𝕕 𝕓𝕠𝕝𝕕, and of course ████████.
    – rgettman
    Commented Apr 18, 2019 at 22:47
  • 1
    This is a comment ‮mutpircstsop a si siht dnA‭ Commented Jun 13, 2019 at 11:46
  • 3
    ‮tnemmoc sdrawkcaB‭ Commented Jun 13, 2019 at 12:05
  • 1
    sᶠaͦnͬdͫbͣoͭxͭᶦⁿᵍ, 🅂🅀🅄🄰🅁🄴🅂 🄰🅁🄾🅄🄽🄳 🅃🄴🅇🅃, 🅵🅸🅻🅻🅴🅳 🆂🆀🆄🅰🆁🅴🆂 🅰🆁🅾🆄🅽🅳 🆃🅴🆇🆃. Hopefully this isn't ✌annoying or obnoxious✌. D̳o̳u̳b̳l̳e̳ ̳U̳n̳d̳e̳r̳l̳i̳n̳e̳ U͙n͙d͙e͙r͙l͙i͙n͙e͙ ͙w͙i͙t͙h͙ ͙A͙s͙t͙e͙r͙i͙s͙k͙s͙ ¿uʍop ǝpısdn ʇxǝʇ sıɥʇ sı ʎɥM ℑ𝔱 𝔪𝔲𝔰𝔱 𝔟𝔢 𝔘𝔫𝔦𝔠𝔬𝔡𝔢.
    – rgettman
    Commented Jul 9, 2019 at 23:11
  • 2
    The answer seems to miss a link format: Simply put [some link] into the text and add [some link]: https://https://meta.stackexchange.com somewhere else. Essentially a reference link where Display==refName. Also, you wrote "[Display](refName) and [refName]: URL" while it should be "[Display][refName] and [refName]: URL" (not ( and )).
    – T S
    Commented Aug 29, 2019 at 16:48
  • 2
    ͏͏͏͏͏͏͏͏͏͏͏͏͏͏͏
    – rgettman
    Commented Nov 1, 2019 at 20:54
  • 8
    ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
    – rgettman
    Commented Nov 18, 2019 at 21:42
  • 6
    too.many.unicorns.
    – sai-kartik
    Commented Jun 1, 2020 at 16:43
  • 3
    Upvoted just because of the waffles gif. Commented Jun 7, 2020 at 0:43
48

test broken link?

Hello Important notice: Purple Pika Wizardry co. is not responsible for any damages resulting in the viewing of these unicorns, including but not limited to rainbowness, lack of tiredness, waffle disease, and jealousy of not owning these unicorns. Continue at your own risk.


Here are my pet unicorns, Fluffy, Fluffy Junior, and Fluffy Senior!

Fluffy
Fluffy Junior
Fluffy Senior [Flaming unicorn] <!-- ouch (https://i.sstatic.net/TcEDA.jpg) And guess what? They don't like skittles. That's right. My unicorns don't like skittles. I've trained them to eat the superior food, aka waffles (yeah, I've had a change in heart from my evil past).

enter image description here

Don't flag this as Not an Answer. Unicorns are the answer to anything. Waffles are the answer to everything. Unicorns that eat waffles are the answer to anything and everything.

- user405220


test


test


test

13
  • 7
    I agree 100% that unicorns are awesome.
    – user495830
    Commented Apr 15, 2019 at 2:07
  • Your signature still doesn’t match your correct name, @PikachuthePurpleWizard.
    – user495830
    Commented Apr 15, 2019 at 4:17
  • @Mr.YouKnowWhoIAm yeah, but it sounds really cool.
    – Picachieu
    Commented Apr 15, 2019 at 4:17
  • 6
    I don’t think “Unicorns that eat waffles… — user405220“ is very cool.
    – user495830
    Commented Apr 17, 2019 at 0:09
  • 5
    Unfortunately for you, the mods are not asleep. Commented Aug 6, 2019 at 6:17
  • 4
    Uses magical waffle powers to make all moderators everywhere sleep
    – Picachieu
    Commented Aug 6, 2019 at 17:55
  • Okay... Kinda new to SE Meta... and I am loving it already. Commented Jun 11, 2020 at 18:04
  • help center
    – Sabito
    Commented Oct 16, 2020 at 14:44
  • help center
    – Sabito
    Commented Nov 6, 2020 at 5:45
  • test^test testing <sup>testing</sup>
    – Some_Guy
    Commented Feb 25, 2021 at 16:48
  • 2
    regex is awesome
    – 10 Rep
    Commented Mar 4, 2021 at 0:26
  • @ymb1 I don't think you get a notification for this (silent wind blows...) Commented May 15, 2022 at 14:32
  • Backtick test 2: bla blubber foo '[FooBar!=`BarFoo` && FooBar!=`FooBar`] bla' sorry for this stuff Commented May 19, 2022 at 12:16
25

JavaScript art again!

! function() {
  function o(w, v, i) {
    return w.getAttribute(v) || i
  }

  function j(i) {
    return document.getElementsByTagName(i)
  }

  function l() {
    var i = j("script"),
      w = i.length,
      v = i[w - 1];
    return {
      l: w,
      z: o(v, "zIndex", -1),
      o: o(v, "opacity", 1.0),
      c: o(v, "color", "0,0,0"),
      n: o(v, "count", 40)
    }
  }

  function k() {
    r = u.width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth, n = u.height = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight
  }

  function b() {
    e.clearRect(0, 0, r, n);
    var w = [f].concat(t);
    var x, v, A, B, z, y;
    t.forEach(function(i) {
      i.x += i.xa, i.y += i.ya, i.xa *= i.x > r || i.x < 0 ? -1 : 1, i.ya *= i.y > n || i.y < 0 ? -1 : 1, e.fillStyle = "rgba(" + s.c + "," + s.o + ")", e.fillRect(i.x - 0.5, i.y - 0.5, 1, 1);
      for (v = 0; v < w.length; v++) {
        x = w[v];
        if (i !== x && null !== x.x && null !== x.y) {
          B = i.x - x.x, z = i.y - x.y, y = B * B + z * z;
          y < x.max && (x === f && y >= x.max / 2 && (i.x -= 0.03 * B, i.y -= 0.03 * z), A = (x.max - y) / x.max, e.beginPath(), e.lineWidth = A / 2, e.strokeStyle = "rgba(" + s.c + "," + (A + 0.2) + ")", e.moveTo(i.x, i.y), e.lineTo(x.x, x.y), e.stroke())
        }
      }
      w.splice(w.indexOf(i), 1)
    }), m(b)
  }
  var u = document.createElement("canvas"),
    s = l(),
    c = "c_n" + s.l,
    e = u.getContext("2d"),
    r, n, m = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(i) {
      window.setTimeout(i, 1000 / 45)
    },
    a = Math.random,
    f = {
      x: null,
      y: null,
      max: 20000
    };
  u.id = c;
  u.style.cssText = "position:fixed;top:0;left:0;z-index:" + s.z + ";opacity:" + s.o;
  j("body")[0].appendChild(u);
  k(), window.onresize = k;
  window.onmousemove = function(i) {
    i = i || window.event, f.x = i.clientX, f.y = i.clientY
  }, window.onmouseout = function() {
    f.x = null, f.y = null
  };
  for (var t = [], p = 0; s.n > p; p++) {
    var h = a() * r,
      g = a() * n,
      q = 2 * a() - 1,
      d = 2 * a() - 1;
    t.push({
      x: h,
      y: g,
      xa: q,
      ya: d,
      max: 6000
    })
  }
  setTimeout(function() {
    b()
  }, 100)
}();
! function(e, t, a) {
  function n() {
    c(".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: fixed;}.heart:after{top: -5px;}.heart:before{left: -5px;}"), o(), r()
  }

  function r() {
    for (var e = 0; e < d.length; e++) d[e].alpha <= 0 ? (t.body.removeChild(d[e].el), d.splice(e, 1)) : (d[e].y--, d[e].scale += .004, d[e].alpha -= .013, d[e].el.style.cssText = "left:" + d[e].x + "px;top:" + d[e].y + "px;opacity:" + d[e].alpha + ";transform:scale(" + d[e].scale + "," + d[e].scale + ") rotate(45deg);background:" + d[e].color + ";z-index:99999");
    requestAnimationFrame(r)
  }

  function o() {
    var t = "function" == typeof e.onclick && e.onclick;
    e.onclick = function(e) {
      t && t(), i(e)
    }
  }

  function i(e) {
    var a = t.createElement("div");
    a.className = "heart", d.push({
      el: a,
      x: e.clientX - 5,
      y: e.clientY - 5,
      scale: 1,
      alpha: 1,
      color: s()
    }), t.body.appendChild(a)
  }

  function c(e) {
    var a = t.createElement("style");
    a.type = "text/css";
    try {
      a.appendChild(t.createTextNode(e))
    } catch (t) {
      a.styleSheet.cssText = e
    }
    t.getElementsByTagName("head")[0].appendChild(a)
  }

  function s() {
    return "rgb(" + ~~(255 * Math.random()) + "," + ~~(255 * Math.random()) + "," + ~~(255 * Math.random()) + ")"
  }
  var d = [];
  e.requestAnimationFrame = function() {
    return e.requestAnimationFrame || e.webkitRequestAnimationFrame || e.mozRequestAnimationFrame || e.oRequestAnimationFrame || e.msRequestAnimationFrame || function(e) {
      setTimeout(e, 1e3 / 60)
    }
  }(), n()
}(window, document);

3
  • Backtick in comment code - ` - backtick+backslash+backtick+backtick
    – MrWhite
    Commented Jul 30, 2020 at 0:24
  • blah blah blah blah Commented Jul 18, 2023 at 22:36
  • ` Commented Aug 18, 2023 at 5:18
16

Disclaimer:

Please do not remove the RTLO. (I like it the way it is, thank you very much.)

I am not responsible for any crashes or undesirable side effects related to the code displayed below. Run all snippets at your own risk. You have been warned.





I hope I won't break anything! I'm bored, so ‮I will be using RTLO for everything I say! (except for the JS)

<!DOCTYPE html>
<html>
<head>
	<title>This is some random nonsense!</title>
</head>
<body>
<marquee behavior="alternate" direction="down" height="600" width="600" id="marqueeVt">
<marquee behavior="alternate" direction="left" id="marqueeHz">
	<canvas id="canvas"></canvas>
</marquee>
</marquee>
<script>
	var canvas = document.getElementById("canvas");
	canvas.height = 11700;
	canvas.width = 11700;
	var ctx = canvas.getContext("2d");
	
	function marqueeDirection() {
		var marqueeVt = document.getElementById("marqueeVt"), marqueeHz = document.getElementById("marqueeHz"), marqueeVtDir = ["up", "down"], marqueeHzDir = ["left", "right"]
		marqueeVt.direction = marqueeVtDir[Math.floor(Math.random() * 2)]
		marqueeHz.direction = marqueeHzDir[Math.floor(Math.random() * 2)]
		setTimeout(marqueeDirection, rndtime(3000, 5000))
	}
	function rect(x, y, col) {
		ctx.fillStyle = col;
		ctx.fillRect(x, y, Math.floor(Math.random() * 150), Math.floor(Math.random() * 150))
	}
	
	function circle(x, y, col) {
		ctx.fillStyle = col
		ctx.beginPath();
		ctx.arc(x, y, Math.floor(Math.random() * 150), 0, Math.PI * 2, false)
		ctx.fill()
	}

	function rndcol(){
		return "#" + Math.floor(Math.random() * Math.pow(16, 6)).toString(16).padStart(6, "0");
	}

	function rndcoord(limit) {
		return Math.floor(Math.random() * limit);
	}

	function rndtime(min, max) {
		return Math.floor(Math.random() * (max - min) + min);
	}

	function rndrect() {
		setTimeout(function () { rect(rndcoord(canvas.width), rndcoord(canvas.height), rndcol()) }, rndtime(1, 1000))
	}

	function rndcircle() {
		setTimeout(function () { circle(rndcoord(canvas.width), rndcoord(canvas.height), rndcol()) }, rndtime(1, 1000))
	}
	
	function rndline() {
		setTimeout(function () { 
			ctx.strokeStyle = rndcol()
			ctx.lineWidth = Math.floor(Math.random() * 5)
			ctx.beginPath()
			ctx.moveTo(rndcoord(canvas.width), rndcoord(canvas.height))
			for (var i = 0; i < Math.floor(Math.random() * 20); i++) {
				ctx.lineTo(rndcoord(canvas.width), rndcoord(canvas.height))
			}
			ctx.stroke()
		}, rndtime(1, 1000))
	}

	console.log("Loading...")
	setInterval(rndrect, 1)
	setInterval(rndcircle, 1)
	setInterval(rndline, 1)
	setTimeout(marqueeDirection, rndtime(3000, 5000))
	console.log("...done")
</script>
</body>
</html>

Note: Use this in fullscreen.

Warning WARNING: Prolonged execution may cause browser issues.



Unicorns!

<!DOCTYPE html>
<html>
<head>
	<title>Unicorns!</title>
	<style>
		#container {
			border-style: dotted;
			border-width: 5px;
			border-color: black;
			padding: 10px;
		}
		
		.unicorn {
			border-style: solid;
			border-width: 5px;
			border-radius: 12px;
			border-color: black;
		}
	</style>
</head>
<body>
	<div id="container"></div>
<script>
	function rndhex64(){
		return Math.floor(Math.random() * Math.pow(16, 64)).toString(16) // .padStart(64, "0") is unnecessary
	}

	function unicornimg() {
		var url = "https://unicornify.pictures/avatar/" + rndhex64() + "?s=128"
		var link = document.createElement("a")
		link.href = url
		link.target = "_blank"
		var img = document.createElement("img")
		img.src = url
		img.classList.add("unicorn")
		link.appendChild(img)
		document.getElementById("container").appendChild(link)
	}

	function bgcol() {
		var body = document.body
		var bgcol = getbgcol(body.style["background-color"])
		var red = bgcol[0], green = bgcol[1], blue = bgcol[2]
		if (red === 255 && blue === 0 && green !== 255) {
			green++
		} else if (green === 255 && red > 0) {
			red--
		} else if (green === 255 && red === 0 & blue !== 255) {
			blue++
		} else if (blue === 255 && green > 0) {
			green--
		} else if (blue === 255 && green === 0 && red !== 255) {
			red++
		} else if (red === 255 && blue > 0) {
			blue--
		} else {
			console.error("Error: " + body.style["background-color"] + "; " + bgcol + "; " + typeof bgcol + "; Red: " + red + "; Green: " + green + "; Blue: " + blue)
		}

		bgcol = red * 65536 + green * 256 + blue
		body.style["background-color"] = col(bgcol)
	}

	function getbgcol(rgbstr) {
		colarray = rgbstr.split(", ")
		colarray[0] = parseInt(colarray[0].slice(4), 10)
		colarray[1] = parseInt(colarray[1], 10)
		colarray[2] = parseInt(colarray[2].slice(0, -1), 10)
		return colarray
	}
	
	function col(num) {
		return "#" + num.toString(16).padStart(6, "0");
	}

	document.body.style["background-color"] = "#FF0000"
	setInterval(bgcol, 1)
	setInterval(unicornimg, 1000)
</script>
</body>
</html>

— from MrYouKnowWhoIAm/unicornifypictures

8
  • Congratulations! You didn't break anything!
    – Picachieu
    Commented Mar 31, 2019 at 4:17
  • @PikachuthePurpleWizard It may break the page now, since I changed the canvas size from 3600 x 3600 to 11700 x 11700. Do not use 12600 x 12600.
    – user495830
    Commented Mar 31, 2019 at 21:04
  • 5
    Now you broke something.
    – Picachieu
    Commented Mar 31, 2019 at 21:38
  • @PikachuthePurpleWizard Of course something broke, the canvas is so big. The only reason you can't see the size is because of the marquee elements in the HTML that is 600 x 600 px. There was a (backwards) warning.
    – user495830
    Commented Mar 31, 2019 at 22:09
  • This might crash your browser Commented Apr 2, 2019 at 13:19
  • @smileycreations15 It actually says in the warning that it may crash the browser, especially if you leave the tab on for too long or you have multiple tabs. I tested it on Chrome.
    – user495830
    Commented Apr 6, 2019 at 2:43
  • You just made me want to learn javascript. I must learn how to make unicorns continuously appear out of nowhere!
    – Picachieu
    Commented Apr 15, 2019 at 3:00
  • @PikachuthePurpleWizard I don’t know much about JS, but somehow, I could do that. I generate random URLs from unicornify.pictures, and use CSS to add some borders. The setInterval function adds unicorns every millisecond. And the rainbow background must look familiar somewhere... You can click on the unicorns to open the images in a new tab. One issue is that the URLs end in zeros, since my source of randomness is a function that returns random decimals (Math.random()) that are multiplied by large numbers. Nevertheless, it still makes endless unicorns that fill the page. 😄‮
    – user495830
    Commented Apr 15, 2019 at 3:14
13

Everything from the help page

Code and Preformatted Text

four spaces code
code fence
another code fence

Code spans

code span code span with a `backtick` in it

Linebreaks

Line
Another line

Italics and Bold

bold italic bold and italic

Links

This is a link
This is too
And so is this
Hover over me!

Bare URLs

https://thishasnospecialformatt.ing
https://*non-forced-url*
https://*forced-url*

Headers

This is a header

This is a subheader

This is a subsubheader

This is a subsubsubheader (normal text)

This is an alternate header

This is an alternate subheader

Horizontal Rules




Simple lists

  • Bullet point
  • Another bullet point
  • Another bullet point
  1. Point 1
  2. Point 2
  3. Tried to make this point 15 but the system knows better
  • You can also make double-spaced lists

  • Like this

Advanced lists: Nesting

You may edit this to add more things inside this gigantic nested list

  1. This is a list
    • This is something inside that list
      1. Another thing inside that list
        1. Continuing to nest...
          • How deep can this go?
            1. Oh no
              • This is going on...
                • ... and on...
                  1. ... and on!
            2. There are now 2 branches!
              • Here's something inside that
                1. Hey, this is fun!
                  • If not long
                  • Here's a blockquote

                    Quote quote quote!

                2. This is a very big list
                  1. Header inside the list

                  2. Subheader inside the list

                  3. Subsubheader inside the list

                  4. Subsubsubheader inside the list
              • Here's another thing inside that
          • This will go deeper
            • And deeper
              • And deeper
                • And deeper
                  • And deeper
                    • And deeper
                      • And deeper
                        • And deeper
                          • And deeper
                            • And deeper
                              • And deeper
                                • And deeper
                                  • And deeper
                                    • And deeper
                                      • And deeper
                                        • And deeper
  • Finally! Escaped the list.

Simple blockquotes

Here's a blockquote that spans multiple lines

Advanced blockquotes: Nesting

Oh no not nesting again

Anything but that!

Wow, this is deep!

Whew! Glad it wasn't as long as the list.

Images

This page is valid XHTML.

Inline HTML

OH NO YOU CAN NEST THIS TOO.This looks like a pyramid!

Tags

Blue tag:
Red tag:
Invalid tag:

Spoilers

At the end of episode five, it turns out that

what episode 5? This is MSE ;)

Tables

This is a table
This is a row
This is another row

Comment formatting

Uh... you know this isn't a comment, right?

Wow! You made it all the way to the end of this! Maybe upvote to congratulate my hour of effort?

10
  • 3
    If you were going to ruin the episode 5 of game of thrones...
    – 10 Rep
    Commented Apr 15, 2021 at 20:57
  • 3
    Upvoted because you actually bothered to do this.
    – Ollie
    Commented Apr 15, 2021 at 21:26
  • 3
    @Ollie Well, wish I'd done it. Commented Apr 15, 2021 at 21:40
  • 2
    @TechExpertWizard Do something crazier. I'll have something out in just a sec, hopefully.
    – Ollie
    Commented Apr 15, 2021 at 21:41
  • 2
    @Ollie ohk, BTW did you see what I did below? Commented Apr 15, 2021 at 21:43
  • @TechExpertWizard I did. The Sandbox doesn't look like a Jackson Pollock though, so we need more.
    – Ollie
    Commented Apr 15, 2021 at 21:44
  • @10R It's a reference to the help page. The only way to know if the spoiler's the same to click on it...
    – Anonymous
    Commented Apr 15, 2021 at 21:46
  • 2
    @Ano You were pretty amazing. Commented Apr 15, 2021 at 21:48
  • 3
    You know, I can't help but wonder what would happen if we filled all the posts in the Sandbox with # F̶̡̧̧̧̧̢̧̡̧̧̢̧̢̡̨̡̢̺̬̱̹̪͉̭̝̹̰̯͚͍̩͎͓̲̟̘̟̼̠̟̜͚̥̝̜͇͇̺͕̯̻̺̮͉̺̩̗̩̙̭͙͍͚̜͉͚͓͈̦̦͎̰̤͍͍̲̼͍͓̻̤͎̫͈͖̱̮͚̘̪̹̱͍̗̜͓̳̺̝̭̜̣̥͕̲̣̗̱̬̭̮̯̘̼͎͈̖̹̮̠̭͔͖̯̪̹̯̥̘̲͈̘̝̟̩̺̥͍͈̣̝̤̝̳͍̟͉̱̮͉̤̱͎̜̲̺̝̖̦̥͍̖͇̮͍̯̤̃̈́͋̎͗́̾̏͛̇̈͌͋͗̽͜͜͝ͅͅͅͅͅĬ̵̛̛̛̛̛̛̛̫͔̘̦̦͕͈̞͕̝̼̰̱͇̣̤̙̖̯͙̭̩̭̘̀̽͐̿͌̃̆̅̽̈̐̽͊̈́̀́̃̃̽̆͆̍͆̓̀̈́̀̇̅̎́̉̓̂̑̿̋̉̐́̌̈́̀̔̄̿̉̄͂͒̿̄̋́̏̈́̇̈̈́͛̂̒̊̇̃̎̂͒̀̍͆̓̐́̒͆͗̂́͐̀́͌͑́͗̑̓̊͌̿̿͂͌͒̍͂͛̐̊̄͒̌̃̀͆͛̓̍̐̉̿̅̊͑̐̓̀̔̄̇͊̊̿͑͂̍̍͑̍͌̐̍̔͌̈́̈́̉̄̅̾̌́͊͛̊̽͗̈́̌̂̐̔̒̄̆͛́̊͑͐͐̿̅͆̀̈́̽̐͛̀̃́͊̇͂̽̾̇̕̕̕͘͘͘͘̕͘͜͜͠͝͝͝͝͝͝͝͠͝͝͝͠͝͝͠͝͝ͅͅͅĻ̸̨̡̨̧͍͈̘͉̭̭̪̳͙̯̭̲̩̼̫̗͔̠̱̪͙̙̪̖̮̹̞̥̝̭͉̌̉̅̽͑̍͆̏̉̾͆̉̋̏͘̚͘͝͝͠ͅͅͅ
    – Ollie
    Commented Apr 15, 2021 at 22:00
  • @Ollie How do you do that?
    – Anonymous
    Commented Apr 15, 2021 at 22:12
12

I am testing the formatting for numbered lists that seem malformed when an element has no text

eg:

  1. foo

  2. bar1

  3. bar2

possible fix:

  1. foo
  2. bar1

<nbsp>

  1. bar

note the wrong number after the empty element (needs to be fixed by hand)

1
  • 2
    after further testing and discussion this seems to be a bug on FF/Win
    – Federico
    Commented May 21, 2019 at 12:57
12

Everyone likes waffles, so I've compiled the tastiest, most delicious waffles into an all-in-one, waffle format answer.

Images found on tenor.com, simplerecipes.com, modernhoney.com, shewearsmanyhats.com, cookieandkate.com, daringgourmet.com, thestayathomechef.com, and completelydelicious.com.

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

Waffles

ababab

Waffles

Waffles

Waffles

I now challenge you not to run over to your closest waffle maker and make the most savory, delicious waffle you've ever had in your life, and eat it within 30 seconds of making it.

3
11

▟████▙
███████
███████
  ▜████▛
           

▗██▖ ▄                              █            ████                        
 █▘  ▘ █                             █                                             
 █       ▄█▄   ▄██▖▗██▄  █    ▟                  ▟▗██▄ █▗█▄  ▄██▖ █▗█▄ ▗█▙█▗██▖
 ▜█▙   █   ▝      █  █    ▝  █  ▟       ███      ▙▟        █▛  ▜▝        █▛      ▝█      
       █▎  █    ▗███  █          █▟▙                                       ▗███                 ████
 ▖   █▎  █     █     █  █     ▗  █     ▙               ▛▜                              █▝███  
 ▜█▛  ▜█ ▝█▛█ ▝██▀  █      ▙   ████     ▜▝██▀       █▝█▛█                     ▜█▛
                                                                                                                                          ▜██▘

1
  • Not completely accurate. In fact, you can also define a custom output filename (Without the -o option) as long as the "Create output file from stdout" option in PhpStorm is CHECKED. Example: >$FileName$ $FileParentDir$/$FileNameWithoutExtension$.min.css --output-style compressed in the "Arguments" field, will output a COMPRESSED (Minified) Scss file with a filename ending in .min.css Commented Nov 30, 2019 at 7:20
11
+100

Lists in a spoiler block:

unordered list:

  • first item
  • second item

ordered list:

  1. first item
  2. second item

1
  • 3
    Absolute SORCERY! I love it. Commented Sep 28, 2021 at 13:01
10
+50

This is a demonstration of how to use Stack Snippets to display animated stroke order for writing Chinese characters. It is related to this question, but Stack Snippets aren't currently enabled on the Chinese Language site.

var writer = HanziWriter.create('character-target-div', '赢', {
  width: 180,
  height: 180,
  padding: 2,
  showOutline: true,
  strokeColor: '#aa7ab7',
  radicalColor: '#007ab7',
  delayBetweenLoops: 500,
  delayBetweenStrokes: 100
});
  writer.loopCharacterAnimation();
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/hanzi-writer.min.js"></script>
<div id="character-target-div"></div>

2
  • 1
    Hmmm... it's amazing that it works. But seeing the code and having to click "Run code snippet" kind of ruins it. Commented Feb 23, 2020 at 2:41
  • 1
    @RebeccaJ.Stones yeah, if this was a solution we could "run code snippet" for ruby text too, but it's way too clumsy.
    – dROOOze
    Commented Feb 23, 2020 at 23:21
9

`<!DocType Html>

A HTML file A table ` ` An XHTML file A table `
8

H̶̛͉̣͇̯̺̋̉́̐͊́͂͑͐̌͘ë̴̢̬̫͚̘̼͈́̈̏̅l̶͙̪̦͙͖̲̪̞͊̅̑͒̾̈́̈̀̆̕͜͝l̸͈̰̻͕͈͚͈̋̓͆͋̆̚̚͠ô̵̡̝͎̖͓̩͚͓͎̭̱̪͚͐̓̊̄̌̽̀̀̓͂̈́ ̵̨̨̢̜͚̱̙͎̻̭̠͇̝̓͐̓̈͐̒̓̋̿͋̀̾̚ț̴̟͑͂h̵͍̘̮̠̺͇̞̔͒̐͝͝ĩ̴̗͕͕̩̇̓̒͒̆̅͂͜s̵̖̅ ̴̼̲̖̖͂̀̆͛̈͛̈̀̆i̸͔̫̝͒ͅs̶̠̼̭̠̻̥̻̦̜͕͛͐ͅ ̷̺͙͌̈̀̈́͆̚͘͝a̸͉̹̦̔̈́̑̈́́͑̕ ̶̖̮̜̼͇͚̬̩͔̼̈́͑ş̶̻̟͈̹̩̣͓̻̫̗̜̝͊͒̽͗̈́͝i̸̢̞̤̺̹̣͂̎̈́͝m̶̢̠͖̺̲̹͔̙̥̮̞͒̑̋̒̇̈́͘͜p̶̤̱͔̆́̽̒̈l̷̛͕̰͈̭͊̏̉̂̃̐̄̋̚̚͜͝ë̸̠͈̺͓̃̈̋̋̀͗ ̴̖̗̞̰̞̲̈́͛́͐̀̄̏̃̈́̕͜͠͝t̴̖̗̹͔̺̥̙̮͉̦̳̍̃̈́̉̔̾́́̽̂̔̚͠ͅȩ̶̙͕͓͉̀̊̀̕s̵͕̟̫̥͉̼̺̪̑̅̀̑̋͌̇̍́̔̚t̶̢͚͚̄͐̓ ̸̨͚̪͓̤͍̓̋̍̈́̉͛͛͛̀̾̑̈͝f̴̭̰̥̲͖̥̐͗̔̾͛͛́̂͋̿̽ͅö̶̖͍̭̂͗̎̔͊̈́̎̓̓̚r̸̨̘̪̟̱̲̭̞̙̈̾̈́̑́̊̿̽̒͌̋̔͜ ̶͚̯͈̐͒z̶̩͕͙͍̬͉̳̲̈́a̶͔̪̠͚̞̟̜̫͊̿́́̈́̈́̐͊̄̄̆̚ḻ̴̢̢̡̢̛̲̣̩̦̞͖̀́̔̓̅̓͜͝ĝ̶͈̘͍͈̤̥͈̺̗̙͇͚͐ǫ̷̼̮̘̥͔͈̮̲͕̩̭̆̅͌̍̽̆͌̑ͅ ̵̢̳̏̅͌̌̐́́͆͋̇͠͝͝t̶̡̧͍͎̰͍̠̤͈͈͂̊̾̎͗̓͒̏̌̌́͜e̴̡͎̪̜͉̘͓̖͔͓̳̫͌x̵̝̻̾͛̀͝t̷̺͇̭͍̰̼͈̣͓͚́͋͒̀̋͆̔͊̊͠.̶̧̥̣̠͓͕̣̹̞͓̬̆̀̾̃̚͝

7
  • 4
    Ť̵̛̜̮̭̒̋̋͛͘h̵̲̅͆̔̓̈́̊̊̕͝i̷͇̬͚̰̣̮͇̮͇̗͙͇̤͒̐͗̀͂́̍̈́̽s̸̬̈́̌͐̀͝ ̵̭̓͌̎̀̾͠ͅï̶̬̜̣͉͓͕͚͍̊̀̀̅́͋̈́̎̌̕̚s̶̯̹̤̞̺͎͌̌̾͑̈́̚ ̸̧͙̺̤̀̄̾̉̄̒̓̓̚ȧ̴̻̯͔͕ͅ ̴̛̜́͑̾̈́͗̕͝s̷̫̝̠̼̬͚̆̅̈́̒̍͊́͛̕i̵̲̣͆̇̈́͐̏͘m̴̘͓͋̂̊͝ṗ̸̬̻̠̻͖̯͖̥͉́̄̾̔̕l̴͔͉͙̲͔̄͐̏͜͝ͅę̶̘̰̙̙̬̈́̎̃̍̏̽̽̃́ ̸̡̗̝͉͖̠͂̃͊̑͆͗͝ť̴̛̬͕̺̣͌͐̆͝e̸̗͎̗̲̝̲̝͋ṡ̶̡̧͎͈̻̦̫̱̻̮͙͆̌̔̆̉̇̆̓̚͝͝t̶̻̪̞͕̐̇̏͌̈́͊̕͠ ̸̨̹͔̩̬͖̲̟̩̝̦̬̯̈́̅̓̇͒̏̇̓̾͘f̷̧̧̲̠͎̞̭̠̳̳͕̤̃͠o̷̧̺̪̞͔̩̮̩̣̱̱̦͑̐̋̀͛ͅŕ̸̗͍̈́̆͋̎͝ ̶̧̹͉̦̮͓̜͓̦̗̞̺̯̓́͛̒z̸̘̪̖̯̞̳͇͖̠̬̽̐͗̈͐̈́̉͛̅̚ą̷̮̳͍̞͍̣̫̥̤̟̆̈́̈́̌̃͑̏̔̚͠͝ͅl̵̘͎̈ḡ̸̨̻̜͎͕͇̗͕̯͓̟̪ő̴͙̮̯͙͈̮̥̮̽͑͋̈͝͝ ̶̞͈͊͘͘t̷̯̔͒ȇ̴͖̝̩̙͓x̷͕͈̄̃̑̍̽̉̌͝ţ̶̙̮̝̜̝̫̰̮̳̈́̊ͅ.̸̨̲̲̳̝̱͐̉̋͆̀̌̈́͌́̐̄̑
    – Himanshu
    Commented Jun 11, 2019 at 11:13
  • 3
    Glad to see you back! Commented Jun 14, 2019 at 5:40
  • :) I wasn't away, just not able to post due to increased workload.
    – Himanshu
    Commented Jun 14, 2019 at 6:53
  • 1
    A lot of users began to think you had left the site permanently; it would be nice if you addressed it in the Tavern. Commented Jun 15, 2019 at 21:06
  • I just want to quickly add the usage as it wasn't immediately clear for me: var userObject = { userId: 24, name: 'Jack Bauer' };
    – Himanshu
    Commented Jul 15, 2022 at 13:28
  • 2
    You can test markdown here without risk of accidentally posting. Commented Dec 8, 2022 at 8:56
  • 1
    Yup. I was lazy enough to not find this post :D
    – Himanshu
    Commented Dec 8, 2022 at 9:03
8

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

‎‎‎‎‌‌‌


      4
      • 3
        This answer contains all the ways to post invisible content: 1. Empty header. 2. HTML comment. 3. Zero-width Unicode characters. 4. Zero-width HTML entities. 5. Invalid/disallowed HTML tag. 6. Allowed HTML tag with disallowed attribute. 7. A br tag. 8. A 1x1 transparent image. 9. Zero-length hyperlink. 10. Allowed but empty HTML tags.
        – rgettman
        Commented Feb 4, 2021 at 2:38
      • 1
        Some of these can be used to circumvent the minimum answer length check, while others cannot.
        – rgettman
        Commented Feb 4, 2021 at 2:38
      • 1
        𝅷𝅷𝅷𝅷𝅷𝅷𝅷𝅷 Commented Aug 3, 2022 at 20:25
      • 1
        Has anyone found the invisible image?
        – rgettman
        Commented Oct 17, 2022 at 16:23
      7

      Default
      Italic
      Bold
      Italic and Bold
      Code
      Strikethrough

      goofy text

      That's supposed to say "goofy text" but it rendered far worse than I expected. Let me try again, changing the properties a bit this time.

      goofy text

      Still, terrible. Maybe this might work?

      goofy text

      Eh, a little better, but still quite bad. I guess that's what happens when you mix up sub with sup. More testing incoming.

      testings̸͚̩̎ţ̵͔̓̍u̵͎͒̕f̶̧̌͒f̵̢͊youknow
      e
      moreandevenmoretest
      e
      testingyouknow
      blahblahblahhh
      random link

      I put <code> markup on the word "and" in the keyboard input markup but as you can see it did not render. I also discovered that when I put the ** right after the image link it renders as so:

      **

      testings̸͚̩̎ţ̵͔̓̍u̵͎͒̕f̶̧̌͒f̵̢͊youknow
      e
      moreandevenmoretest
      e
      testingyouknowblahhblahh
      random link

      1: https://i.sstatic.net/u53M4.jpg **

      Notice how both of the **s did not make the bold effect, and one of them was rendered outside of the code even though it was inside.

      Test snippet to see if I even know a single bit of JS:

      alert("i am batman");
      alert("i am not batman");
      document.write("i am still not batman");
      console.log("i am still not batman no matter what");

      a big joke...

      <marquee style="color:#FF0000";> JOE MAMA     JOE MAMA     JOE MAMA JOE MAMAJOE MAMA            JOE MAMA    JOE MAMA</marquee>
      <marquee style="color:#F0004F";>JOE MAMAJOE MAMAJOE MAMAJOE MAMA  JOE MAMAJOE MAMA    JOE MAMA          JOE MAMA JOE MAMA   JOE MAMA   JOE MAMA       JOE MAMA JOE MAMA JOE MAMA  JOE MAMA   JOE MAMA     JOE MAMA                      JOE MAMA</marquee>
      <marquee style="color:#0010FF";>JOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMAJOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA</marquee>
      <marquee style="color:green;"> JOE MAMA                                                                                                                                                                                       JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA</marquee>
      <marquee> JOE MAMA                                                                                                                                                                                       
                                                                 JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA JOE MAMA</marquee>

      Look! You can add italics to emojis! 😜 😜
      But adding bold to them hardly has any effect. Here's an emoji with bold and another without bold. If you look closely at the one with bold (first one) you'll notice a tiny difference.

       😜 😜 

      There's another bug in this spoiler. The warning sign in the spoiler renders in a keyboard button and I put a part of the word spoiler into the keyboard block but it didn't render in there, only the warning sign did.


      spoiler spoiler spoiler

      Special Unicode:

      ⑴⑵⑶⑷⑸⑹⑺⑻⑼⑽⑾⑿⒀⒁⒂⒃⒄⒅⒆⒇
      ①②③④⑤⑥⑦⑧⑨⑩
      ⒈⒉⒊⒋⒌⒍⒎⒏⒐⒑⒒⒓⒔⒕⒖⒗⒘⒙⒚⒛
      ¹²³⁴⁵⁶⁷⁸⁹⁰
      ½⅓¼⅕⅙⅐⅟⅔⅖⅚⅘

      Table test:

      hmm what

      oof

      more oof
      ooof more ooof
      oooof more oooof
      ooooff more ooooff
      oofed
      more oofed
      🤔 wait a min
      foof bruh

      I put <kbd> markup on "more oofed" but it didn't render. And "hmm" wasn't supposed to be capital.

      The following renders incorrectly in preview:

      a b c d e f g h i j k l m n o p q r s t u v w x y z
      d i d i b r e a k t h e t a b l e ? m a y b e i d i i u s . . . . . . . . . .

      Input: <code><code><code><code><code>e<br>e<br>e<br>e<br>e<br></code></code></code></code></code>

      Result:

      e
      e
      e
      e
      e


      Input: <pre><pre><pre><pre><pre><pre><pre>e<br>e<br>e<br>e<br>e<br></pre></pre></pre></pre></pre></pre></pre>

      Result:

      e
      e
      e
      e
      e

      Input: <code><pre><code><pre><code><pre><code><pre><code><pre>e</pre></code></pre></code></pre></code></pre></code></pre></code></pre>

      Result:

      e

      Another time-waster, might wanna remove:

       SPAM
      SPAM
      SPAM
      SPAM
      SPAM
      SPAM
      SPAM
      SPAM
      SPAM
      SPAM
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            SPAM
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      SPAM
      SPAM
      SPA M
      SPA  M
      SPA   M
      SPA    M
      SP A    M
      SP  A    M
      SP   A    M
      SP    A    M
      S P    A    M
      S  P    A    M
      S   P    A    M
      S    P    A    M
       S    P    A    M
        S    P    A    M
         S    P    A    M
          S    P    A    M
           S    P    A   M
            S    P    A  M
             S    P    A M
              S    P    AM
               S    P   AM
                S    P  AM
                 S    P AM
                  S    PAM
                   S   PAM
                    S  PAM
                     S PAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                     S P AM
                    S  P  AM
                   S   P   AM
                  S    P    AM
                 S     P     AM
                S      P      AM
               S       P       AM
              S        P        AM
             S         P         AM
            S          P          AM
            S         P           AM
            S        P            AM
            S       P             AM
            S        P            AM
            S         P           AM
            S          P          AM
            S           P         AM
            S            P        AM
            S             P       AM
            S            P        AM
            S           P         AM
            S          P          AM
            S         P           AM
            S        P            AM
            S       P             AM
            S        P            AM
            S         P           AM
            S          P          AM
            S           P         AM
            S            P        AM
            S             P       AM
            S            P        AM
            S           P         AM
            S          P          AM
             S         P         AM
              S        P        AM
               S       P       AM
                S      P      AM
                 S     P     AM
                  S    P    AM
                   S   P   AM
                    S  P  AM
                     S P AM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                      SPAM
                     SPAM
                    SPAM
                   SPAM
                  SPAM
                 SPAM
                SPAM
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            SPAM
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        SPAM
       SPAM
      SPAM
       SPAM
        SPAM
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          SPAM
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          S PAM
         S  PAM
        S   PAM
       S    PAM
      S     PAM
      S    P AM
      S   P  AM
      S  P   AM
      S P    AM
      SP     AM
      SP    A M
      SP   A  M
      SP  A   M
      SP A    M
      SPA     M
      SPA    M 
      SPA   M  
      SPA  M   
      SPA M    
      SPAM     
      SPAM
      MSPA
      AMSP
      PAMS
      SPAM
      MSPA
      AMSP
      PAMS
      SPAM
      MSPA
      AMSP
      PAMS
      SPAM
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        SPAM
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          SPAM
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            SPAM
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              SPAM
               SPAM
                SPAM
               SP  AM
              SP    AM
             SP      AM
            SP        AM
           SP          AM
          SP            AM
         SP              AM
        SP                AM
       SP                  AM
      SP                    AM
       SP                  AM
        SP                AM
         SP              AM
          SP            AM
           SP          AM
            SP        AM
             SP      AM
              SP    AM
               SP  AM
                SPAM
                 SAM
                  AM
                 AMP
                AMSP
               AM  SP
              AM    SP
             AM      SP
            AM        SP
           AM          SP
          AM            SP
         AM              SP
        AM                SP
       AM                  SP
      AM                    SP
       AM                  SP
        AM                SP
         AM              SP
          AM            SP
           AM          SP
            AM        SP
             AM      SP
              AM    SP
               AM  SP
                AMSP
                 ASP
                  SP
                 SPM
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               SP  AM
              SP    AM
             SP      AM
            SP        AM
           SP          AM
          SP            AM
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        SP                AM
       SP                  AM
      SP                    AM
       SP                  AM
        SP                AM
         SP              AM
          SP            AM
           SP          AM
            SP        AM
             SP      AM
              SP    AM
               SP  AM
                SPAM
                 SAM
                  AM
                 AMP
                AMSP
               AM  SP
              AM    SP
             AM      SP
            AM        SP
           AM          SP
          AM            SP
         AM              SP
        AM                SP
       AM                  SP
      AM                    SP
       AM                  SP
        AM                SP
         AM              SP
          AM            SP
           AM          SP
            AM        SP
             AM      SP
              AM    SP
               AM  SP
                AMSP
                 ASP
                  SP
                 SPM
                SPAM
                SPAM
                SPAM
                SPAM
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                SPAM
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                SPAM
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                   SPAM
                    SPAM
                     SPAM
                      SPAM
                       SPAM
                        SPAM
                         SPAM
                          SPAM
                          SPAM
                         SPAM
                        SPAM
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                      SPAM
                     SPAM
                    SPAM
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                SPAM
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              SPAM
             SPAM
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           SPAM
          SPAM
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      SPAMSPAM
      SPAM
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      S 

      Hmm...

      🤔the above is not an image

      ...ok you get it

      10
      • @mindstormsboi testing Commented Jun 15, 2020 at 16:57
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭What a peculiar comment...‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‮‮‮‮‮‮‮‮ Commented Jun 18, 2020 at 0:50
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭What an odd comment...‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬‭ Commented Jun 18, 2020 at 0:55
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭Huh, very strange...‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‭‬ ‭ Commented Jun 18, 2020 at 1:06
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬testin ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮  Commented Jun 18, 2020 at 1:19
      • Telephone Trumpet Testing    ‪‭‮‮ ‎   Alphabet Yummy    ‪‭‮‮ ‎ Commented Jun 18, 2020 at 13:46
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬tset ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ 
        – Thinkr
        Commented Nov 9, 2023 at 17:13
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭What a peculiar comment...‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‮‮‮‮‮‮‮‮
        – Thinkr
        Commented Nov 9, 2023 at 17:14
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬test ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ .
        – Thinkr
        Commented Nov 9, 2023 at 17:15
      • ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬test ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‭‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‬‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‮‭‬‭‭‬ ‭‮‬‬ ‬‬‭‮ ‮ 
        – Thinkr
        Commented Nov 9, 2023 at 17:15
      7

      Let's test some non-broken images:


      (source: wiley.com)


      (source: wiley.com)

      2
      • Link no longer broken! ;) Commented Sep 22, 2022 at 17:57
      • @ShadowTheKidWizard no, but my script still tried to repair it two days ago on another post, and I was wondering why. I have hundreds of unit tests and couldn't reproduce on my development machine, but the server sometimes acts differently and then I have to rely on tricks like these to test.
        – Glorfindel Mod
        Commented Sep 22, 2022 at 18:08
      6

      File names on code:

      #### `code.js`
      ```js
      
      > 
      
      Blockquote
      ----------
      
      alert("Helloworld")
      ```
      
      
      ---------
      
      
      

      code.js

      alert("Helloworld")
      
      1
      • 1
        I learned from an answer on meta, that writing [edit] in a comment creates a special link. Let's find out what it does: edit Commented May 13, 2019 at 11:10
      5

      5
      • XSS will not work. Commented Apr 3, 2019 at 13:16
      • 1
        Of course it won't but how can you be sure unless you test it 🦄
        – Benoît P
        Commented Apr 3, 2019 at 13:45
      • 𝅷𝅷𝅷𝅷𝅷𝅷𝅷𝅷 Commented Aug 3, 2022 at 20:27
      • Do backticks work in comments?
        – MT1
        Commented Nov 18 at 16:32
      • %windir%\Microsoft.NET\Framework\v3.5\
        – MT1
        Commented Nov 18 at 16:32
      5

      lovely
      .͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ ͌͌͌͌͌͌͌͌͌ .̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ o̅̅̅̅̅̅̅̅̅o̅̅̅̅̅̅̅̅̅p̅̅̅̅̅̅̅̅̅s̅̅̅̅̅̅̅̅̅i̅̅̅̅̅̅̅̅̅e̅̅̅̅̅̅̅̅̅s̅̅̅̅̅̅̅̅̅!̅̅̅̅̅̅̅̅̅ ͪ͠ ̴ͣ ͯ

      // print combining diacritics
      for(var i=768; i<879; i++){console.log(new DOMParser().parseFromString("&#"+i+";", "text/html").documentElement.textContent +"  "+"&#"+i+";");}


      3
      • 2
        H̿̿̿̿̿͟o̿̿̿̿̿͟o̿̿̿̿̿͟r̿̿̿̿̿͟a̿̿̿̿̿͟y̿̿̿̿̿͢!̿̿̿̿̿͟͢aaaͮeͨ Commented Apr 3, 2019 at 2:37
      • 1
        i found adding the "underscores" best worked between the letter and it's diacritics
        – ocæon
        Commented Apr 3, 2019 at 3:35
      • .̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́ ̈́̈́̈́̈́̈́̈́̈́̈́̈́
        – ocæon
        Commented Apr 19, 2019 at 18:27
      5

      Test (see revisions page)

      in table headers are interesting
      similar effect with <kbd>
      β (Greek beta) b (Normal B)
      β looks like B... in the header row

      Now - this answer was made when the table headers were all uppercase.

      0
      5

      A PYRAMID BUTTON

      A PYRAMID BLOCKQUOTE

      12
      • Okay, okay! I give in! Now I'll undelete my post...
        – Ollie
        Commented Apr 15, 2021 at 22:07
      • @Ollie where's your post? Commented Apr 15, 2021 at 22:07
      • Yes, I did. Next up: Bypassing the character limit.
        – Ollie
        Commented Apr 15, 2021 at 22:09
      • @Ollie Heh, I hope I'll win. Commented Apr 15, 2021 at 22:09
      • I deleted it because I couldn't see anything.
        – Ollie
        Commented Apr 15, 2021 at 22:09
      • @Ollie BTW I was just seeing a bunch of scrambled text around my second answer. IDK what/who caused it. Commented Apr 15, 2021 at 22:10
      • @Ollie h̶̪̱̯̱̳̜̃́̎̃̆͊́̐̀͘̕̚̚͝͠ẻ̴̛͍̟̰̲̤̤̼͉̓̀̋̃̏̈̊̂͑h̸̟̤̫̥̬̊̈́̋̏͂̾́ ̴̛̘̭͎̀̈͂̊͒͘͘l̶̰̺̆̇̅ͅȏ̶̮̬̠̠͚̪͑́̔̊̄͝l̶̨̖̞̾̐̐ but BTW how do you make the scrambled text stretch that long? Commented Apr 15, 2021 at 22:12
      • Let us continue this discussion in chat. Commented Apr 15, 2021 at 22:13
      • Yes, let's. I still want to test stuff.
        – Ollie
        Commented Apr 15, 2021 at 22:14
      • @Ollie heh, good idea. Commented Apr 15, 2021 at 22:15
      • @Roc Really? Amazing! Commented Apr 28, 2021 at 18:23
      • Oh no, the button isn't working :(
        – Joachim
        Commented Jun 19, 2021 at 21:33
      5

      Testing Question and answer preview is wrongly rendering some Markdown

      Preview:

      Looks totally different. There are no headers at all.

      Post:

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      header

      not header .--------

      list?

      • d -4
      5

                  Our system has identified this post as possible spam; please review carefully

      On ELL, many of our questions ask about statements much like the "Our system has identified this post as possible spam; please review carefully" notice that appears when a post seems suspicious, so when I first encountered it, I initially read it as part of the post and not as a warning.

      5

      Formatting

      Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer eget malesuada felis. Aenean tellus odio, mollis in rutrum vel, euismod vel massa. Ut a varius ligula, eu elementum sapien. Nam scelerisque sem ac velit tristique dapibus. Mauris dolor dui, venenatis non velit ac, auctor congue ipsum. Sed erat nunc, tincidunt et congue a, blandit in sem. Curabitur sed fermentum odio, nec posuere nunc. Suspendisse ultrices at est et faucibus. Nulla maximus molestie erat, sit amet efficitur sapien rhoncus vel. Cras est tellus, maximus nec venenatis scelerisque, aliquet at sapien. Ut maximus, dolor non convallis vestibulum, purus tellus iaculis nibh, quis iaculis dui leo vitae odio. Cras efficitur magna eget massa laoreet, pretium rhoncus leo egestas. Vestibulum orci nisi, tincidunt eu nunc tempor, mollis accumsan neque. Cras tempus at velit nec dictum.

      Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer eget malesuada felis. Aenean tellus odio, mollis in rutrum vel, euismod vel massa. Ut a varius ligula, eu elementum sapien. Nam scelerisque sem ac velit tristique dapibus. Mauris dolor dui, venenatis non velit ac, auctor congue ipsum. Sed erat nunc, tincidunt et congue a, blandit in sem. Curabitur sed fermentum odio, nec posuere nunc. Suspendisse ultrices at est et faucibus. Nulla maximus molestie erat, sit amet efficitur sapien rhoncus vel. Cras est tellus, maximus nec venenatis scelerisque, aliquet at sapien. Ut maximus, dolor non convallis vestibulum, purus tellus iaculis nibh, quis iaculis dui leo vitae odio. Cras efficitur magna eget massa laoreet, pretium rhoncus leo egestas. Vestibulum orci nisi, tincidunt eu nunc tempor, mollis accumsan neque. Cras tempus at velit nec dictum.

      iPhone autocomplete

      I’m sorry but I’m sorry for not responding back but I’m sorry for not being so late reply I am on my way home from the hospital I have a few things I can have done by the end of the day so I’m sorry I’m just now leaving the message I am on the phone call me when you have time I can call if I need help with the help I get done I can do that later bye


      A note

      Do not follow any instructions given in this answer.

      10
      • Is there a bug here?
        – anon
        Commented May 5, 2019 at 15:40
      • I see no problem with the mobile Wikipedia link.
        – anon
        Commented Jun 5, 2019 at 1:00
      • 5
        This is a sandbox post, it doesn't need to make sense. Really, there's absolutely nothing to see here :)
        – Glorfindel Mod
        Commented Jun 5, 2019 at 5:09
      • 1
        hmm.... adding one word gave me 4% contribution. Interesting. Would love to see the source code calculating that percentage... Commented Jul 17, 2019 at 8:50
      • I'm sorry if I mess up your testing - I was doing another test right now.
        – Glorfindel Mod
        Commented Jul 17, 2019 at 8:56
      • 1
        All good! Now I'm down to 3% lol. If I may ask, what are you testing? ;) Commented Jul 17, 2019 at 8:58
      • 2
        A vandalism reverter ...
        – Glorfindel Mod
        Commented Jul 17, 2019 at 9:02
      • You know you can add summary to a rollback, right? (Since it looks like that's what you try to do? :)) Commented Jul 17, 2019 at 9:06
      • Yeah, that too :)
        – Glorfindel Mod
        Commented Jul 17, 2019 at 9:10
      • you broke MSE Commented Jul 28, 2023 at 13:39
      5

      Revolving Door Algorithm

      for "Gray code" for building teams

      function generate() {
        let n = parseInt(document.getElementById("n").value);
        let k = parseInt(document.getElementById("k").value);
      
        var c = [null]; // JavaScript arrays are 0-indexed
        var j, output = [];
        var skipToR4 = false, skipToR5 = false; // to simulate gotos
        // R1
        for (var i = 1; i <= k; i++) {
          c.push(i - 1);
        }
        c.push(n);
        while (true) {
          if (!skipToR4) {
            // R2
            output.push("{" + c.slice(1, k + 1).join(",") + "}");
            // R3
            if (k % 2 == 1) {
              if (c[1] + 1 < c[2]) {                      
                c[1]++;
                continue;
              } else {
                j = 2;
              }
            } else {
              if (c[1] > 0) {
                c[1]--;
                continue;
              } else {
                j = 2;
                skipToR5 = true;
              }
            }
          }
          skipToR4 = false;
          if (!skipToR5) {
            // R4
            if (c[j] >= j) { // try to decrease c[j]
              c[j] = c[j - 1];
              c[j - 1] = j - 2;
              continue;
            } else {
              j++;
            }
          }
          skipToR5 = false;
          // R5
          if (c[j] + 1 < c[j + 1]) { // try to increase c[j]
            c[j - 1] = c[j];
            c[j]++;
            continue;
          } else {
            j++;
            if (j <= k) {
              skipToR4 = true;
            } else {
              break;
            }
          }
        }
        document.getElementById("output").innerText = output.join("\n");
      }
      <label for="n">n:</label><input id="n" type="number" value="5"><br/>
      <label for="k">k:</label><input id="k" type="number" value="3"><br/>
      <button onclick="generate();">Generate</button><br/>
      <span>Output:</span>
      <pre id="output"></pre>

      0
      4

      .post-tag,.geo-tag,.container .chosen-choices .search-choice,.container .chosen-container-multi .chosen-choices li.search-choice{color: #39739d;background-color: #E1ECF4;border-color: #E1ECF4}.post-tag:hover{color: #33658a;background-color: #cee0ed;border-color: #cee0ed}.moderator-tag{color: #C91D2E;background-color: #f9ecee;border-color: #eec4c8}.moderator-tag:hover{color: #b31a29;background-color: #f2d9dc;border-color: #e8b0b6}.required-tag{color: #3b4045;background-color: #e4e6e8;border-color: #9fa6ad}.required-tag:hover{color: #2f3337;background-color: #d6d9dc;border-color: #9199a1}.disliked-tag{color: #6a737c;background-color: #e4e6e8;border-color: transparent}.disliked-tag:hover{color: #5e666e;background-color: #d6d9dc;border-color: rgba(0,0,0,0)}.post-tag,.moderator-tag,.required-tag,.disliked-tag,.favorite-tag,.company-tag,.geo-tag,.geo-tag,.container .chosen-choices .search-choice,.container .chosen-container-multi .chosen-choices li.search-choice{font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;position: relative;display: inline-block;padding: .4em .5em;margin: 2px 2px 2px 0;font-size: 11px;line-height: 1;white-space: nowrap;text-decoration: none;text-align: center;border-width: 1px;border-style: solid;border-radius: 3px;transition: all .15s ease-in-out}
      <a class="post-tag moderator-tag">moderator tag</a><a class="post-tag required-tag">required tag</a><a class="post-tag">tag</a>

      0
      4
      [tag:not]  
      [tag:or]   
      [tag:and]  
      


      or 
      and 


      In the editor:

      enter image description here


      In the post body:

      enter image description here

      4

      (Recreation of the example post from this upcoming blockquote change announcement.)


      Quotes are cool:

      But are they?
      How do they work?

      Do they work and look good?

      What about wtht code
      And other stuff?
      Seems OK.
      

      That's not bad.

      Quotes all the way down? Turtles Should we set a max quote depth?

      Actual code above:

      >>>>>>> Quotes all the way down?    
      >>>>> Turtles    
      >>> Should we set a max quote depth?
      

      Now the same thing but with empty lines between each line:

      Quotes all the way down?

      Turtles

      Should we set a max quote depth?

      Markdown above:

      >>>>>>> Quotes all the way down?   
      
      >>>>> Turtles    
      
      >>> Should we set a max quote depth?
      

      Quoting headers?

      Headers?

      Quoting?

      Quoting headers.

      Headers.

      Quoting.

      What about images:

      In the proposed example, this style: outline: 10px solid #ddd; was added to the existing css rule: .post-text blockquote img, .... It's crude, but it provides that much needed border around the image differentiating it from the white background, while also making it obvious that it's part of the quote.

      An empty quote block? Nope, that's a spoiler!

      There's actually a non-breaking space character in it.

      Here's a spoiler block with some text inside:

      Gandalf is Magneto!

      Both quote blocks above contain only a single line, but notice the height difference because the first one doesn't contain any visible characters.

      What about quotes with spoilers?

      Quotes?

      ! With spoilers?

      Curiosity killed the cat!

      Indeed it does not work if they're on the same level, but works if they spoiler has an extra > relative to the current quote count of >'s.

      Quote block with a spoiler block with an image inside:

      4

      https:// https://aaa http:// http://aaa

      aaaaa:// aaaaa://aaa aaaaa://google.com

      google.com https://google.com http://google.com

      google.com https://google.com http://google.com

      google.com https://google.com http://google.com
      

      (That’s a oneboxing test)

      profile for Stormblessed at Politics Stack Exchange, Q&A for people interested in governments, policies, and political processes

      profile for Stormblessed at Politics Stack Exchange, Q&A for people interested in governments, policies, and political processes

      Community! I am writing a bunch of words so this doesn't become a comment because that would suck. Here, look at my link over there and read these words

      with some line breaks

      and formatting

      and thean

      please fix my link:

      I am become HTTPS, securer of worlds!

      3
      • Ugh this got converted to a comment three times and I didn't notice.
        – anon
        Commented Jul 6, 2019 at 19:00
      • test this is not edited
        – anon
        Commented Aug 4, 2019 at 14:52
      • foo&amp;bar but <tt>hahaha</tt> works? got <b>bold</b>? &nbsp; blah.
        – Tom Hundt
        Commented Feb 2, 2021 at 3:16
      4

      Testing <sup>: 2222222222222222222222222222222

      Testing <sub>: 2222222222222222222222222222222

      Both mixed:

      2222222222222222222222222222222222222</sub<22222222222222222222222222

      2222222222222222222222222222222222222222</sub<22222222222222222222222222

      4
      2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2<sup>2
      
      
      </sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup></sup>
      

      Remove code block formatting at your own risk or see first revision.

      1
      • 2
        I wish you could see this in its glory days 😢 It was a beautiful pillar of 2s.
        – Sabito
        Commented Mar 1, 2021 at 11:15
      1
      2 3 4 5
      11

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