By default, the function returns the number of seconds in the current year (according to local time). To determine the number of seconds for a particular year, provide either a year or a Date object.
The function's return value is a generalization and does not take into account inaccuracies due to daylight savings conventions, crossing timezones, or other complications with time and dates.
Parameters
Optional value: number | Date
year or Date object
Returns
number
number of seconds in a year
Example
var num = secondsInYear();
// returns <number>
Example
var num = secondsInYear( 2016 );
// returns 31622400
Example
var num = secondsInYear( 2017 );
// returns 31536000
Returns the number of seconds in a year according to the Gregorian calendar.
Notes
Date
object.