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

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

module.exports = leapYears