odin-default-js-exercises/06_leapYears/leapYears.js

const leapYears = function(year) {
if (year % 400 == 0) {
    return true
} else if (year % 100 == 0) {
    return false
} else if (year % 4 ==0) {
    return true
} else {
    return false
}
};

// Do not edit below this line
module.exports = leapYears;