javascript instance accessor property
Temporal.PlainYearMonth.prototype.monthsInYear
The monthsInYear accessor property of PlainYearMonth instances returns a positive integer representing the number of months in the year of this date. It is calendar-dependent.
The set accessor of monthsInYear is undefined. You cannot change this property directly.
For general information and more examples, see Temporal.PlainDate.prototype.monthsInYear.
Examples
Using monthsInYear
const ym = Temporal.PlainYearMonth.from("2021-07");
console.log(ym.monthsInYear); // 12
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
PlainYearMonthTemporal.PlainYearMonth.prototype.with()Temporal.PlainYearMonth.prototype.add()Temporal.PlainYearMonth.prototype.subtract()Temporal.PlainYearMonth.prototype.yearTemporal.PlainYearMonth.prototype.monthTemporal.PlainYearMonth.prototype.monthCodeTemporal.PlainYearMonth.prototype.daysInMonthTemporal.PlainDate.prototype.monthsInYear