This is the Unicode character SIGNWRITING MOUTH SMILE OPEN, code point U+1DA40 (decimal 121408) in the Sutton SignWriting block, added in Unicode 8.0. In HTML write 𝩀, and in UTF-8 it is the 4 bytes F0 9D A9 80.
Codes
| Where | How to write it |
|---|---|
| Code point | U+1DA40 |
| Decimal | 121408 |
| UTF-8 bytes | F0 9D A9 80 |
| UTF-16 (big-endian) | D836 DE40 |
| UTF-32 | 0001DA40 |
| HTML decimal | 𝩀 |
| HTML hex | 𝩀 |
| CSS | \1DA40 |
| JavaScript | \u{1DA40} or \uD836\uDE40 |
| JSON | \uD836\uDE40 |
| Python | \U0001DA40 |
| Python by name | \N{SIGNWRITING MOUTH SMILE OPEN} |
| Java, C# | \uD836\uDE40 |
| Rust, Swift | \u{1DA40} |
| Go, C, C++ | \U0001DA40 |
| URL (percent-encoded) | %F0%9D%A9%80 |
JavaScript and JSON strings store text as UTF-16, so this character takes two code units (a surrogate pair) and "x".length is 2. Python 3 strings count code points, so its length there is 1.
Properties
| Property | Value |
|---|---|
| Name | SIGNWRITING MOUTH SMILE OPEN |
| Code point | U+1DA40 (decimal 121408) |
| Block | Sutton SignWriting (U+1D800–U+1DAAF) |
| General category | Mn: Non-spacing mark |
| Script | SignWriting |
| Bidirectional class | NSM: Non-spacing mark |
| Mirrored in right-to-left text | No |
| First in Unicode version | 8.0 |
Nearby in Sutton SignWriting
- 𝨸 U+1DA38 Signwriting Air Suck Small Rotations
- 𝨹 U+1DA39 Signwriting Breath Inhale
- 𝨺 U+1DA3A Signwriting Breath Exhale
- U+1DA3B Signwriting Mouth Closed Neutral
- U+1DA3C Signwriting Mouth Closed Forward
- U+1DA3D Signwriting Mouth Closed Contact
- U+1DA3E Signwriting Mouth Smile
- U+1DA3F Signwriting Mouth Smile Wrinkled
- U+1DA41 Signwriting Mouth Frown
- U+1DA42 Signwriting Mouth Frown Wrinkled
- U+1DA43 Signwriting Mouth Frown Open
- U+1DA44 Signwriting Mouth Open Circle
- U+1DA45 Signwriting Mouth Open Forward
- U+1DA46 Signwriting Mouth Open Wrinkled
- U+1DA47 Signwriting Mouth Open Oval
- U+1DA48 Signwriting Mouth Open Oval Wrinkled
All 672 characters: Sutton SignWriting.
Official reference
Questions people ask
- What is the HTML code for SIGNWRITING MOUTH SMILE OPEN?
- Use 𝩀 (decimal) or 𝩀 (hex).
- What is the UTF-8 encoding of U+1DA40?
- F0 9D A9 80 (hex), 4 bytes. In a URL it is %F0%9D%A9%80.
- How do I write U+1DA40 in JavaScript or Python?
- JavaScript: \u{1DA40} or \uD836\uDE40. Python: \U0001DA40.
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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