JavaScript new Date Ordinal (st, nd, rd, th)

Question

If at all possible, without JavaScript libraries or lots of clunky code I am looking for the simplest way to format a date two weeks from now in the following format:

<

Answer 1

Strongly inspired by @user2309185's.

const ordinal = (d) => {
  return d + (['st', 'nd', 'rd'][d % 10 - 1] || 'th')
}