Temporal.PlainDateTime.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.PlainDateTime 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 dt = Temporal.PlainDateTime.from("2021-07-01");
console.log(dt.daysInMonth); // 31
Specifications
| Specification |
|---|
| Temporal proposal # sec-get-temporal.plaindatetime.prototype.daysinmonth |
Browser compatibility
BCD tables only load in the browser
See also
Temporal.PlainDateTimeTemporal.PlainDateTime.prototype.with()Temporal.PlainDateTime.prototype.add()Temporal.PlainDateTime.prototype.subtract()Temporal.PlainDateTime.prototype.yearTemporal.PlainDateTime.prototype.monthTemporal.PlainDateTime.prototype.dayTemporal.PlainDateTime.prototype.daysInWeekTemporal.PlainDateTime.prototype.daysInYearTemporal.PlainDate.prototype.daysInMonth