The toPlainYearMonth() method of Temporal.PlainDate instances returns a new Temporal.PlainYearMonth object representing the year and month of this date in the same calendar system.
toPlainYearMonth()None.
A new Temporal.PlainYearMonth object representing the year and month of this date in the same calendar system.
const date = Temporal.PlainDate.from("2021-07-01");
const yearMonth = date.toPlainYearMonth();
console.log(yearMonth.toString()); // 2021-07