function now() { return (new Date).getTime(); }
// before the ajax call
var before = now();
// and in your ajax success callback:
var elapsed = now() - before;
Time is in milliseconds, but actual resolution is usually less, e.g. 15
millisecond resolution on a typical PC.
-Mike
> From: Josh Nathanson
>
> This is more of a JS queston in general than a jQuery
> question: how do I get the time it took for an ajax post to complete?
>
> I am trying to show a progress bar for an ajax post which may
> take anywhere from 1 to 20 seconds. It's a multi-row
> database table update. To do this I'm using the
> "guesstimate" pattern described here:
> http://ajaxpatterns.org/Progress_Indicator
>
> To improve the accuracy, I'd like to do a "dummy" ajax post
> to the server, get the amount of time it took, and use that
> to calculate the total estimated time for the database
> update, then do the actual multi-row update while the
> progress bar is running.
>
> I've seen timers for events in JS, such as the speed test
> demos, but I can't figure out how to retrieve that
> information from a completed ajax request.
> Is what I'm trying to do possible?
