Nikhil Bhandarkar whyDontI

## countDateDifference.js
/**
 * Returns true if year is a leap year
 * @param {Number} year
*/
function isLeapYear(year) {
  return (((year % 4 == 0) && (year % 100 !== 0)) || (year % 400 == 0))
}

/**
 * Returns number of days till current month from start of the year
	/**
	* Returns true if year is a leap year
	* @param {Number} year
	*/
	function isLeapYear(year) {
	return (((year % 4 == 0) && (year % 100 !== 0)) \|\| (year % 400 == 0))
	}

	/**
	* Returns number of days till current month from start of the year