編輯

WeekYear

WeekYear 新增 .weekYear() API 來取得地區感知的一年中的週數。

var weekYear = require('dayjs/plugin/weekYear') // dependent on weekOfYear plugin
var weekOfYear = require('dayjs/plugin/weekOfYear')
dayjs.extend(weekOfYear)
dayjs.extend(weekYear)

dayjs().weekYear()