Round a Date() to the nearest 5 minutes in javascript

Question

Using a Date() instance, how might I round a time to the nearest five minutes?

For example: if it\'s 4:47 p.m. it\'ll set the time to 4:45 p.m.

Answer 1

Probably less efficient but here's another alternative:

debug('Current timestamp:', timestamp);

timestamp.setMilliseconds(0);
timestamp.setSeconds(0);
timestamp.setMinutes(Math.round(timestamp.getMinutes() / 5) * 5);

debug('Rounded timestamp:', timestamp);

Current timestamp: 2019-10-22T09:47:17.989Z
Rounded timestamp: 2019-10-22T09:45:00.000Z