- Codepoint
U+21D4- Literal Character
- ⇔
- Name
- LEFT RIGHT DOUBLE ARROW
- Sketch
- ........
........
........
........
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........
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........
........
........
........
........
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........
- Control Character
- no
- Block
- Arrows
- Subblock
- Double arrows
- UTF-8 byte encoding
e2 87 94- UTF-16 byte encoding
21 d4(big endian)- HTML Entity
⇔- LaTeX expression
$\Leftrightarrow$- Perl string literal
\x{21D4}