Javascript countdown for specific time and date

Question

I am using a jQuery plugin to put the countdown timer in my webpage. Currently the code that controls what the timer displays is:

Answer 1

I'm asssuming the first arg of .FlipClip() is the amount of time until the countdown completes. This time, "t", should be the difference between now and the target time.

var t = targetTimeInMs - currentTimeInMs;

To get the current time, use the no-arg Date constructor.

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

To get the target time, supply Date with arguments. Here are a few examples from MDN:

var today = new Date();
var birthday = new Date("December 17, 1995 03:24:00");
var birthday = new Date(1995,11,17);
var birthday = new Date(1995,11,17,3,24,0);

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date

I'm not exactly sure if you need to supply milliseconds as the first arg to your .FlipClip() function. Consult the documentation/source for that. Then use the appropriate method of the Date object to get the required unit (seconds? minutes? hours? and use date.getSeconds(), getHours(), etc, see MDN.)