This is the Unicode character Device Control One, code point U+0011 (decimal 17) in the Basic Latin block, added in Unicode 1.1. In HTML write , and in UTF-8 it is the single byte 11.
Codes
| Where | How to write it |
|---|---|
| Code point | U+0011 |
| Decimal | 17 |
| UTF-8 bytes | 11 |
| UTF-16 (big-endian) | 0011 |
| UTF-32 | 00000011 |
| HTML | not valid in HTML (a numeric reference to it is a parse error) |
| CSS | \11 |
| JavaScript | \u0011 |
| JSON | \u0011 |
| Python | \u0011 |
| Java, C# | \u0011 |
| Rust, Swift | \u{11} |
| Go, C, C++ | \u0011 |
| URL (percent-encoded) | %11 |
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 | Device Control One |
| Code point | U+0011 (decimal 17) |
| Block | Basic Latin (U+0000–U+007F) |
| General category | Cc: Control character |
| Script | Common |
| Bidirectional class | BN: Boundary neutral |
| Mirrored in right-to-left text | No |
| First in Unicode version | 1.1 |
Nearby in Basic Latin
- U+0009 Character Tabulation
- U+000A Line Feed
- U+000B Line Tabulation
- U+000C Form Feed
- U+000D Carriage Return
- U+000E Shift Out
- U+000F Shift In
- U+0010 Data Link Escape
- U+0012 Device Control Two
- U+0013 Device Control Three
- U+0014 Device Control Four
- U+0015 Negative Acknowledge
- U+0016 Synchronous Idle
- U+0017 End Of Transmission Block
- U+0018 Cancel
- U+0019 End Of Medium
All 128 characters: Basic Latin.
Official reference
Questions people ask
- What is the HTML code for Device Control One?
- Use  (decimal) or  (hex).
- What is the UTF-8 encoding of U+0011?
- 11 (hex), 1 byte. In a URL it is %11.
- How do I write U+0011 in JavaScript or Python?
- JavaScript: \u0011. Python: \u0011.
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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