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

const leapYears = function(year) {

    if (
        year % 4 == 0 
        && year % 100 != 0 
        || year % 400 == 0
        ) 
        return true
        else return false 
};

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