ｊ is the Unicode character FULLWIDTH LATIN SMALL LETTER J, code point U+FF4A (decimal 65354) in the Halfwidth and Fullwidth Forms block, added in Unicode 1.1. In HTML write ｊ, and in UTF-8 it is the 3 bytes EF BD 8A.
Codes
| Where | How to write it |
|---|---|
| Code point | U+FF4A |
| Decimal | 65354 |
| UTF-8 bytes | EF BD 8A |
| UTF-16 (big-endian) | FF4A |
| UTF-32 | 0000FF4A |
| HTML decimal | ｊ |
| HTML hex | ｊ |
| CSS | \FF4A |
| JavaScript | \uFF4A |
| JSON | \uFF4A |
| Python | \uFF4A |
| Python by name | \N{FULLWIDTH LATIN SMALL LETTER J} |
| Java, C# | \uFF4A |
| Rust, Swift | \u{FF4A} |
| Go, C, C++ | \uFF4A |
| URL (percent-encoded) | %EF%BD%8A |
JavaScript and JSON strings store text as UTF-16, so this character is one code unit long. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | FULLWIDTH LATIN SMALL LETTER J |
| Code point | U+FF4A (decimal 65354) |
| Block | Halfwidth and Fullwidth Forms (U+FF00–U+FFEF) |
| General category | Ll: Lowercase letter |
| Script | Latin |
| Bidirectional class | L: Left-to-right |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Decomposition
FULLWIDTH LATIN SMALL LETTER J has a compatibility decomposition (wide) to the sequence below. NFKC and NFKD normalisation replace it with that sequence, which can change how text looks, so use them for search, not for storage.
Upper and lower case
- Ｊ U+FF2A Fullwidth Latin Capital Letter J — Uppercase
Nearby in Halfwidth and Fullwidth Forms
- ｂ U+FF42 Fullwidth Latin Small Letter B
- ｃ U+FF43 Fullwidth Latin Small Letter C
- ｄ U+FF44 Fullwidth Latin Small Letter D
- ｅ U+FF45 Fullwidth Latin Small Letter E
- ｆ U+FF46 Fullwidth Latin Small Letter F
- ｇ U+FF47 Fullwidth Latin Small Letter G
- ｈ U+FF48 Fullwidth Latin Small Letter H
- ｉ U+FF49 Fullwidth Latin Small Letter I
- ｋ U+FF4B Fullwidth Latin Small Letter K
- ｌ U+FF4C Fullwidth Latin Small Letter L
- ｍ U+FF4D Fullwidth Latin Small Letter M
- ｎ U+FF4E Fullwidth Latin Small Letter N
- ｏ U+FF4F Fullwidth Latin Small Letter O
- ｐ U+FF50 Fullwidth Latin Small Letter P
- ｑ U+FF51 Fullwidth Latin Small Letter Q
- ｒ U+FF52 Fullwidth Latin Small Letter R
All 225 characters: Halfwidth and Fullwidth Forms.
Official reference
Questions people ask
- What is the HTML code for ｊ?
- Use ｊ (decimal) or ｊ (hex).
- What is the UTF-8 encoding of U+FF4A?
- EF BD 8A (hex), 3 bytes. In a URL it is %EF%BD%8A.
- How do I write U+FF4A in JavaScript or Python?
- JavaScript: \uFF4A. Python: \uFF4A.
Source
Unicode Character Database 18.0.0 (Unicode License v3); HTML entity names from the WHATWG HTML Standard (CC BY 4.0). The encodings above are computed from the code point and checked against Python's encoders. How the character looks depends on your fonts.
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