Get Monday and Sunday of the Week in JavaScript

1const today = new Date()
2const day = today.getDay()
3const diff = today.getDate() - day + (day === 0 ? -6 : 1)
4const monday = new Date(today.setDate(diff))
5
6const sunday = new Date(monday)
7sunday.setDate(sunday.getDate() + 6)
8
9console.log(monday) // Monday November 21 2022
10console.log(sunday) // Sunday November 27 2022
11

1function getMonday(d) {
2  date = new Date(d)
3  const day = date.getDay()
4  const diff = date.getDate() - day + (day === 0 ? -6 : 1)
5  return new Date(d.setDate(diff))
6}
7
8function getThisWeek() {
9  const monday = getMonday(new Date())
10  const sunday = new Date(monday)
11  sunday.setDate(sunday.getDate() + 6)
12  return { monday, sunday }
13}
14
15const { monday, sunday } = getThisWeek()
16console.log(monday) // Monday November 21 2022
17console.log(sunday) // Sunday November 27 2022
18