Date difference in seconds

OSCC · JavaScript, Date · Apr 24, 2021

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

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