Temporal.PlainYearMonth.prototype.monthsInYear

The monthsInYear accessor property of Temporal.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

• Temporal

See also

• Temporal.PlainYearMonth
• Temporal.PlainYearMonth.prototype.with()
• Temporal.PlainYearMonth.prototype.add()
• Temporal.PlainYearMonth.prototype.subtract()
• Temporal.PlainYearMonth.prototype.year
• Temporal.PlainYearMonth.prototype.month
• Temporal.PlainYearMonth.prototype.monthCode
• Temporal.PlainYearMonth.prototype.daysInMonth
• Temporal.PlainDate.prototype.monthsInYear