javascript instance accessor property
Temporal.PlainDateTime.prototype.daysInMonth
The daysInMonth accessor property of 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
const dt = Temporal.PlainDateTime.from("2021-07-01");
console.log(dt.daysInMonth); // 31
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
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