var st = "Wed Nov 24 00:00:10 2017"

​

var d1=new Date(st);

var d2=new Date(); // now

​

var diff=d2-d1,sign=diff<0?-1:1,milliseconds,seconds,minutes,hours,days;

diff/=sign; // or diff=Math.abs(diff);

diff=(diff-(milliseconds=diff%1000))/1000;

diff=(diff-(seconds=diff%60))/60;

diff=(diff-(minutes=diff%60))/60;

days=(diff-(hours=diff%24))/24;

​

console.info(sign===1?"Elapsed: ":"Remains: ",

             days+" days, ",

             hours+" hours, ",

             minutes+" minutes, ",

             seconds+" seconds, ",

             milliseconds+" milliseconds.");

​

output:

Elapsed:  0 days,  0 hours,  23 minutes,  56 seconds,  262 milliseconds.