Leap Year Calculator JS

/*If the year is divisible by 4 and not divisible by 100 unless the number is divisible by 400, the year is a leap year.*/

function isLeapYear(year){
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0){
  console.log(year + ' is a leap year.')
} else {
  console.log(year + ' is not a leap year.')
  }
}

isLeapYear()