DaysInYear.js
300 Bytes
'use strict';
var mod = require('../helpers/mod');
// https://ecma-international.org/ecma-262/5.1/#sec-15.9.1.3
module.exports = function DaysInYear(y) {
if (mod(y, 4) !== 0) {
return 365;
}
if (mod(y, 100) !== 0) {
return 366;
}
if (mod(y, 400) !== 0) {
return 365;
}
return 366;
};