untitled notebook

const dayjs = require("dayjs"); var isoWeek = require('dayjs/plugin/isoWeek') dayjs.extend(isoWeek); year = 2021; week = 51; date = dayjs(); date2021 = dayjs().year(year); date2021week51 = dayjs().year(year).isoWeek(week); console.log(date); // correct console.log(date2021); // correct console.log(date2021week51); // incorrect - should be week 51 of year 2021, not 2020