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
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
daysInMonth |
Legend
Tip: you can click/tap on a cell for more information.
- No support
- No support
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- User must explicitly enable this feature.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
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.daysInYear
Temporal.PlainDate.prototype.daysInMonth