[leetCode/JS] 1360. Number of Days Between Two Dates

문제 설명

Write a program to count the number of days between two dates.

The two dates are given as strings, their format is YYYY-MM-DD as shown in the examples.

 

입출력 예

Example 1:

Input: date1 = "2019-06-29", date2 = "2019-06-30"
Output: 1

Example 2:

Input: date1 = "2020-01-15", date2 = "2019-12-31"
Output: 15

Constraints

• The given dates are valid dates between the years 1971 and 2100.

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내 솔루션

• 차이 나는 일자를 리턴하는 간단한 함수.

var daysBetweenDates = function(date1, date2) {
  const time = new Date(date2) - new Date(date1);
  return Math.abs(time / 1000 / 60 / 60 / 24)
};

감상평

• 쉬웠다. 하지만 많이 쓰이는 함수