Date difference in seconds
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