编辑

星期年

WeekYear 添加了 .weekYear() API 来获取区域感知的年份周。

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

dayjs().weekYear()