To add any number of seconds to an already instantiated
Date object, you can simply add them to the seconds from that
Date object. This would give you the total number of seconds, which you can then set on the
Date object using the
For example, to add
Date object that's instantiated to
'July 16, 2021 00:00:30', you could do the following:
const dt = new Date('July 16, 2021 00:00:30'); const secsToAdd = 60; const totalSecs = dt.getSeconds() + secsToAdd; dt.setSeconds(totalSecs); console.log(dt); // 'Fri Jul 16 2021 00:01:30 GMT+0200 (Central European Summer Time)'
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