1.1 KiB
1.1 KiB
| id | title | challengeType | forumTopicId | dashedName |
|---|---|---|---|---|
| 5a23c84252665b21eecc7ede | Leap year | 5 | 302300 | leap-year |
--description--
Determine whether a given year is a leap year in the Gregorian calendar.
--hints--
isLeapYear should be a function.
assert(typeof isLeapYear == 'function');
isLeapYear() should return a boolean.
assert(typeof isLeapYear(2018) == 'boolean');
isLeapYear(2018) should return false.
assert.equal(isLeapYear(2018), false);
isLeapYear(2016) should return true.
assert.equal(isLeapYear(2016), true);
isLeapYear(2000) should return true.
assert.equal(isLeapYear(2000), true);
isLeapYear(1900) should return false.
assert.equal(isLeapYear(1900), false);
isLeapYear(1996) should return true.
assert.equal(isLeapYear(1996), true);
isLeapYear(1800) should return false.
assert.equal(isLeapYear(1800), false);
--seed--
--seed-contents--
function isLeapYear(year) {
}
--solutions--
function isLeapYear(year) {
return year % 100 === 0 ? year % 400 === 0 : year % 4 === 0;
}