↨
U+21A8
带底边的上下箭头 UP DOWN ARROW WITH BASE
| 浏览器默认显示 | ↨ |
| 码位（点代码） | U+21A8 |
| 序号 | 8616 |
| 区段 | 箭头符号 |
| 加入Unicode版本 | 1.1 |
| HTML实体 | ↨ 或 ↨ |
| CSS | \21A8 |
| URL编码 | %E2%86%A8 |
| 域名编码 | xn--s6g |
| UTF编码 | |
| UTF-8 | 0xE2 0x86 0xA8 |
| UTF-16BE | 0x21 0xA8 |
| UTF-16LE | 0xA8 0x21 |
| UTF-32BE | 0x00 0x00 0x21 0xA8 |
| UTF-32LE | 0xA8 0x21 0x00 0x00 |