const.id

unicode

𝕁

U+1D541

MATHEMATICAL DOUBLE-STRUCK CAPITAL J

MATHEMATICAL DOUBLE-STRUCK CAPITAL J Β· Uppercase Letter Β· Mathematical Alphanumeric Symbols Β· Common script

xid-start

Quick facts

Code point
U+1D541
Decimal
120129
Name
MATHEMATICAL DOUBLE-STRUCK CAPITAL J
General category
Lu β€” Uppercase Letter
Block
Mathematical Alphanumeric Symbols
Script
Common
Bidi class
L
Combining class
0
Age
3.1
Name aliases
β€”

Normalization & case

Decomposition
<font> 004A
Uppercase
β€”
Lowercase
β€”
Titlecase
β€”
Case folding
β€”
Bidi mirrored
No

Layout & width

East Asian Width
N
Line Break
AL
Numeric
β€”
Script extensions
β€”

Binary properties

AlphabeticUppercaseID_StartID_ContinueXID_StartXID_Continue

Developer examples

JS
'\u{1d541}' // U+1D541
Python
"\N{MATHEMATICAL DOUBLE-STRUCK CAPITAL J}"
HTML
&#x1D541;

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
HTML named
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Previous

U+1D540

Next

U+1D542

HTML entity

&Jopf;

Block

Mathematical Alphanumeric Symbols

Category

Uppercase Letter

Script

Common

Source

Unicode
16.0.0
WHATWG
β€”