freeCodeCamp/curriculum/challenges/espanol/10-coding-interview-prep/rosetta-code/leap-year.md

id, title, challengeType, forumTopicId, dashedName

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;
}