⇊
U+21CA
| 名称 | ⇊ 双向下箭头 |
| 编码 | U+21CA |
| HTML代码 | ⇊ ⇊ |
| CSS代码 | \21CA |
| 实体 | ⇊ |
| 分区 | 箭头 |
| 版本 | 1.1 (1993) |
| Age | 1.1 |
| 镜像 | No |
| Bidi Paired Bracket Type | None |
| Composition Exclusion | No |
| Case Folding | 21CA |
| Simple Case Folding | 21CA |
编码
| 编码 | hex | dec(bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 87 8A | 226 135 138 | 14845834 | 11100010 10000111 10001010 |
| UTF-16BE | 21 CA | 33 202 | 8650 | 00100001 11001010 |
| UTF-16LE | CA 21 | 202 33 | 51745 | 11001010 00100001 |
| UTF-32BE | 00 00 21 CA | 0 0 33 202 | 8650 | 00000000 00000000 00100001 11001010 |
| UTF-32LE | CA 21 00 00 | 202 33 0 0 | 3391160320 | 11001010 00100001 00000000 00000000 |