30-seconds-of-code/snippets/js/s/date-difference-in-seconds.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Date difference in seconds	snippet	javascript	date	laptop-journey	2021-04-24T12:39:48+03:00

Calculates the difference (in seconds) between two dates.

• Subtract the two Date objects and divide by the number of milliseconds in a second to get the difference (in seconds) between them.

const getSecondsDiffBetweenDates = (dateInitial, dateFinal) =>
  (dateFinal - dateInitial) / 1000;

getSecondsDiffBetweenDates(
  new Date('2020-12-24 00:00:15'),
  new Date('2020-12-24 00:00:17')
); // 2