Home Library Learn Samples Downloads Support Community Forums
MSDN Library
Web Development
JavaScript
JavaScript Language Reference
JavaScript Reference
JavaScript Objects
Date Object (JavaScript)
constructor Property (Date)
prototype Property (Date)
Date.now Function (JavaScript)
Date.parse Function (JavaScript)
Date.UTC Function (JavaScript)
getDate Method (Date) (JavaScript)
getDay Method (Date) (JavaScript)
getFullYear Method (Date) (JavaScript)
getHours Method (Date) (JavaScript)
getMilliseconds Method (Date) (JavaScript)
getMinutes Method (Date) (JavaScript)
getMonth Method (Date) (JavaScript)
getSeconds Method (Date) (JavaScript)
getTime Method (Date) (JavaScript)
getTimezoneOffset Method (Date) (JavaScript)
getUTCDate Method (Date) (JavaScript)
getUTCDay Method (Date) (JavaScript)
getUTCFullYear Method (Date) (JavaScript)
getUTCHours Method (Date) (JavaScript)
getUTCMilliseconds Method (Date) (JavaScript)
getUTCMinutes Method (Date) (JavaScript)
getUTCMonth Method (Date) (JavaScript)
getUTCSeconds Method (Date) (JavaScript)
getVarDate Method (Date) (JavaScript)
getYear Method (Date) (JavaScript)
setDate Method (Date) (JavaScript)
setFullYear Method (Date) (JavaScript)
setHours Method (Date) (JavaScript)
setMilliseconds Method (Date) (JavaScript)
setMinutes Method (Date) (JavaScript)
setMonth Method (Date) (JavaScript)
setSeconds Method (Date) (JavaScript)
setTime Method (Date) (JavaScript)
setUTCDate Method (Date) (JavaScript)
setUTCFullYear Method (Date) (JavaScript)
setUTCHours Method (Date) (JavaScript)
setUTCMilliseconds Method (Date) (JavaScript)
setUTCMinutes Method (Date) (JavaScript)
setUTCMonth Method (Date) (JavaScript)
setUTCSeconds Method (Date) (JavaScript)
setYear Method (Date) (JavaScript)
toDateString Method (Date) (JavaScript)
toGMTString Method (Date) (JavaScript)
toISOString Method (Date) (JavaScript)
toJSON Method (Date) (JavaScript)
toLocaleDateString Method (Date) (JavaScript)
toLocaleTimeString Method (Date) (JavaScript)
toTimeString Method (Date) (JavaScript)
toUTCString Method (Date) (JavaScript)
toString Method (Date)
valueOf Method (Date)
Expand Minimize
6 out of 21 rated this helpful - Rate this topic

Date.now Function (JavaScript)

JavaScript - Internet Explorer 10

Gets the current date and time.

Copy 
Date.now()

The number of milliseconds between midnight, January 1, 1970, and the current date and time.

The getTime method returns the number of milliseconds between January 1, 1970, and a specified date.

For information about how to calculate elapsed time and compare dates, see Calculating Dates and Times (JavaScript).

The following example illustrates the use of the now method.

JavaScript
Copy 
var start = Date.now();
var response = prompt("What is your name?", "");
var end = Date.now();
var elapsed = (end - start) / 1000;
document.write("You took " + elapsed + " seconds" + " to type: " + response);

// Output:
// You took <seconds> seconds to type: <name>

Not supported in installed versions earlier than Internet Explorer 9. However, it is supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards. Also supported in Windows Store apps.

Did you find this helpful?
(1500 characters remaining)
© 2013 Microsoft. All rights reserved.
|
Site Feedback
© 2013 Microsoft. All rights reserved.