JavaScript getTime() method

　JavaScript Date Object

getTime()returns from1970-1-1 milliseconds passed from 00:00:00 UTC (Coordinated Universal Time) to the date for1970-1-1 a negative value is returned for the time before 00:00:00 UTC.

getTime()The value returned by the method is the number of milliseconds since1970 years1Month1milliseconds since 00:00:00 of the day.

getTime()The method always uses UTC time to represent.getTime()will be the same as the client browser in other time zones.

Syntax:

date.getTime()

var d = new Date();
d.getTime();

Browser Compatibility

getTime() method is fully supported by all browsers:

Technical Details

More Examples

Calculate Execution Time:

function myFunc() {
　　　var end, start;
　　　start = new Date();
　　　for (var i = 0; i <　1000000;　i++) {
　　　Math.sqrt(i);
　　　}
　　　end = new Date();
　　　var str = &39;Operation took &39;　+　(end.getTime()　-　start.getTime())　+　'　msec';
}

　JavaScript Date Object