Not An Element Of vs Union
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VS
属性对比
| 属性 | ∉ 2209 | ∪ 222A |
|---|---|---|
| 名称 | Not An Element Of | Union |
| 分类 | Math Symbols | Math Symbols |
| 块 | Mathematical Operators | Mathematical Operators |
| 文字系统 | Zyyy | Zyyy |
| 通用类别 | Math Symbol (Sm) | Math Symbol (Sm) |
| 双向 | ON | ON |
编码对比
| 格式 | 2209 | 222A |
|---|---|---|
| Unicode | U+2209 | U+222A |
| HTML Decimal | ∉ | ∪ |
| HTML Hex | ∉ | ∪ |
| CSS | \2209 | \222A |
| JavaScript | \u{2209} | \u{222A} |
| Python | \u2209 | \u222a |
| UTF-8 | e2 88 89 | e2 88 aa |
如何区分
Not An Element Of 和 Union 均属于 Math Symbols 类别和 Mathematical Operators 区块。请比较下方的码位、编码及 Unicode 属性以区分它们。
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。