Temporal.PlainYearMonth.prototype.daysInMonth
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The daysInMonth accessor property of Temporal.PlainYearMonth instances returns a positive integer representing the number of days in the month of this date. It is calendar-dependent.
The set accessor of daysInMonth is undefined. You cannot change this property directly.
For general information and more examples, see Temporal.PlainDate.prototype.daysInMonth.
Examples
Using daysInMonth
js
const ym = Temporal.PlainYearMonth.from("2021-07");
console.log(ym.daysInMonth); // 31
Specifications
| Specification |
|---|
| Temporal proposal # sec-get-temporal.plainyearmonth.prototype.daysinmonth |
Browser compatibility
BCD tables only load in the browser
See also
Temporal.PlainYearMonthTemporal.PlainYearMonth.prototype.with()Temporal.PlainYearMonth.prototype.add()Temporal.PlainYearMonth.prototype.subtract()Temporal.PlainYearMonth.prototype.yearTemporal.PlainYearMonth.prototype.monthTemporal.PlainYearMonth.prototype.daysInYearTemporal.PlainDate.prototype.daysInMonth