javascript instance accessor property
Temporal.PlainYearMonth.prototype.daysInYear
The daysInYear accessor property of PlainYearMonth instances returns a positive integer representing the number of days in the year of this date. It is calendar-dependent.
The set accessor of daysInYear is undefined. You cannot change this property directly.
For general information and more examples, see Temporal.PlainDate.prototype.daysInYear.
Examples
Using daysInYear
const ym = Temporal.PlainYearMonth.from("2021-07");
console.log(ym.daysInYear); // 365
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.