This is what I get in chrome console. I pass \"2016-09-05\"(YYYY-MM-DD) as the date and it shows me Sept 4,2016 as the date.
Another constructor shows the
If you omit the time in the new Date(string) constructor, UTC time is assumed. So the displayed value is actually correct. Use new Date('2016-09-05 00:00') to create the date object in local time.
new Date(string)
new Date('2016-09-05 00:00')