What ⭥ means
It shows both directions along a vertical line. A Unicode chart printed 17 February 2012 grouped ⭥ with triangle-headed arrows and mapped it to ↕, the plain up-down arrow. The chart records their shared direction while distinguishing the arrowhead shapes.
Don't confuse it with
4Questions people ask
1Why does ⭥ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ⭥
Windows (Word)
Alt+XType 2B65, then Alt+X to get ⭥.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “up down triangle-headed arrow”.
Linux
Ctrl+Shift+UType 2b65, then Enter or Space.
HTML
⭥CSS
\2B65Codes and encoding1 code points
HTML decimal
⭥
HTML hex
⭥
CSS content
content: "\2B65";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AD%A5
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.