Does Not Contain As Member vs Plus-Minus Sign
VS
Property Comparison
| Property | ∌ 220C | ± 00B1 |
|---|---|---|
| Name | Does Not Contain As Member | Plus-Minus Sign |
| Category | Math Symbols | Math Symbols |
| Block | Mathematical Operators | Latin-1 Supplement |
| Script | Zyyy | Zyyy |
| General Category | Math Symbol (Sm) | Math Symbol (Sm) |
| Bidirectional | ON | ET |
Encoding Comparison
| Format | 220C | 00B1 |
|---|---|---|
| Unicode | U+220C | U+00B1 |
| HTML Decimal | ∌ | ± |
| HTML Hex | ∌ | ± |
| CSS | \220C | \00B1 |
| JavaScript | \u{220C} | \u{B1} |
| Python | \u220c | \u00b1 |
| UTF-8 | e2 88 8c | c2 b1 |
How to Distinguish
Both Does Not Contain As Member and Plus-Minus Sign are in the Math Symbols category but reside in different Unicode blocks. Check the codepoint to tell them apart.
Tip: Paste the character into a hex editor or use
charCodeAt()
in JavaScript to check the actual codepoint.