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[JavaScript] Execute function at given time

Started by Telastyn Dec 8, 2011 at 8:32 PM 3 replies 1.3k views

Original Post

268

Dec 8, 2011 at 8:32 PM

I have a relatively simple problem at first glance that I suspect has a really slick solution that I don't know about, and don't particularly have the time to hunt through google'd libraries for:

In javascript, I need to trigger a specified anonymous function at a given UTC time. What's a good way to get that done?

Though I'm familiar with a number of the concepts, I don't have a lot of experience with the language or its idioms/libraries. Thanks in advance.

ApochPiQ

1,378

ApochPiQ

Dec 8, 2011 at 8:50 PM

Where exactly is this javascript executing?

dmatter

597

dmatter

Dec 8, 2011 at 9:18 PM

Just to throw an idea down, you could probably use setTimeout which will execute your function after a specified delay. It's then just a matter of calculating the 'delay' between now till your desired time in UTC.

Telastyn

Author

268

Telastyn

Dec 8, 2011 at 9:40 PM

Where exactly is this javascript executing?

In a programatically generated webpage on the local filesystem being browsed to by the WebBrowser control in .NET, set to force IE9 compatibility mode.

Antheus

216

Antheus

Dec 8, 2011 at 10:41 PM

b = new Date("UTC time");
 a = new Date();
 
 delta = b.getTime() - a.getTime();
 
 setTimeout(foo, delta);

Syntax might be a bit off.

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