Appearance
• duration: undefined | number
undefined
number
持续时间(单位:秒)
• endAt: undefined | string | number | Date | Dayjs
string
Date
Dayjs
截止时间
• now: undefined | string | number | Date | Dayjs
当前时间
• precision: undefined | "seconds" | "milliseconds"
"seconds"
"milliseconds"
更新精度('seconds' 或 'milliseconds')