Bottom Square Bracket over Top Square Bracket HTML entity &bbrktbrk;

&bbrktbrk;: HTML entity for Bottom Square Bracket over Top Square Bracket ⎶ (U+23B6), with decimal, hex, CSS, JavaScript, Python and URL codes to copy.

Entity: &bbrktbrk;
Code point: U+23B6
Unicode name: BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET
Block: Miscellaneous Technical
Category: Other symbol (So)
Since: Unicode 3.2
Defined in: HTML5

Codes to copy

HTML named	`&bbrktbrk;`Works in HTML; in XML only & < > " ' are predefined.
HTML decimal	`⎶`Works in HTML and XML.
HTML hex	`⎶`Works in HTML and XML.
CSS	`content: "\23B6";`In a stylesheet, for ::before and ::after.
JavaScript	`"\u23B6"`Also valid in JSON.
Python	`"\u23b6"`Python 3 string literal.
Python by name	`"\N{BOTTOM SQUARE BRACKET OVER TOP SQUARE BRACKET}"`Readable alternative using the Unicode name.
URL	`%E2%8E%B6`Percent-encoded UTF-8 bytes, for a path or query value.
UTF-8 bytes	`E2 8E B6`3 bytes.
UTF-16	`23B6`1 code unit, which is what JavaScript length counts.

When to use it

&bbrktbrk; writes U+23B6 (Bottom Square Bracket over Top Square Bracket), a symbol from the Unicode Miscellaneous Technical block, encoded since Unicode 3.2. Symbols vary in shape and size between fonts, so check how it renders in the font your page uses.

The name comes from the HTML5 list (much of it shared with MathML), so it works in every current browser but not in XML or XHTML served as XML, where the numeric reference is the safe choice.

More symbols and signs

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Source: the WHATWG HTML Standard list of named character references and the Unicode Character Database (Unicode 18.0).