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getTime Method

Returns the time value in a Date object.

function getTime() : Number

The getTime method returns an integer value representing the number of milliseconds between midnight, January 1, 1970 and the time value in the Date object. The range of dates is approximately 285,616 years from either side of midnight, January 1, 1970. Negative numbers indicate dates prior to 1970.

When doing multiple date and time calculations, it is frequently useful to define variables equal to the number of milliseconds in a day, hour, or minute. For example:

var MinMilli = 1000 * 60
var HrMilli = MinMilli * 60
var DyMilli = HrMilli * 24

See Date and Time Calculations for more information about how to use the getTime method.

The following example illustrates the use of the getTime method.

function GetTimeTest(){
   var d, s, t;
   var MinMilli = 1000 * 60;
   var HrMilli = MinMilli * 60;
   var DyMilli = HrMilli * 24;
   d = new Date();
   t = d.getTime();
   s = "It's been "
   s += Math.round(t / DyMilli) + " days since 1/1/70";
   return(s);
}

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