N-Ary Summation vs Square Root
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属性对比
| 属性 | ∑ 2211 | √ 221A |
|---|---|---|
| 名称 | N-Ary Summation | Square Root |
| 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 | 2211 | 221A |
|---|---|---|
| Unicode | U+2211 | U+221A |
| HTML Decimal | ∑ | √ |
| HTML Hex | ∑ | √ |
| CSS | \2211 | \221A |
| JavaScript | \u{2211} | \u{221A} |
| Python | \u2211 | \u221a |
| UTF-8 | e2 88 91 | e2 88 9a |
如何区分
N-Ary Summation 和 Square Root 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。