Black Circle With Down Arrow vs Plus-Minus Sign
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属性对比
| 属性 | ⧭ 29ED | ± 00B1 |
|---|---|---|
| 名称 | Black Circle With Down Arrow | Plus-Minus Sign |
| 分类 | Math Symbols | Math Symbols |
| 块 | Miscellaneous Mathematical Symbols-B | Latin-1 Supplement |
| 文字系统 | Zyyy | Zyyy |
| 通用类别 | Math Symbol (Sm) | Math Symbol (Sm) |
| 双向 | ON | ET |
编码对比
| 格式 | 29ED | 00B1 |
|---|---|---|
| Unicode | U+29ED | U+00B1 |
| HTML Decimal | ⧭ | ± |
| HTML Hex | ⧭ | ± |
| CSS | \29ED | \00B1 |
| JavaScript | \u{29ED} | \u{B1} |
| Python | \u29ed | \u00b1 |
| UTF-8 | e2 a7 ad | c2 b1 |
如何区分
Black Circle With Down Arrow 和 Plus-Minus Sign 同属 Math Symbols 类别，但位于不同的 Unicode 区块。请查看下方对比表了解编码和属性差异。
提示：将字符粘贴到 hex 编辑器中，或使用
charCodeAt()
在 JavaScript 中检查实际码位。