Reset and restart javascript countdown (loop) -


i have pure javascript countdown based on date object working fine except wanted countdown keep running.

jsfiddle sample

//the countdown part  var d = new date(); var thedate = d.getfullyear() + '-' + (d.getmonth() + 1) + '-' + d.getdate(); var newtime = new date(date.parse(d) + secs * 1000); //var end = new date('02/08/2016 10:00:00'); var end = newtime; var _second = 1000; var _minute = _second * 60; var _hour = _minute * 60; var _day = _hour * 24; var timer; if (timer) clearinterval(timer);  function showremaining() {    var = new date();   var distance = end - now;   if (distance < 0) {     clearinterval(timer);     document.getelementbyid('countdown').innerhtml = 'this callback here should reset , starts again';     return;   }   var days = math.floor(distance / _day);   var hours = math.floor((distance % _day) / _hour);   var minutes = math.floor((distance % _hour) / _minute);   var seconds = math.floor((distance % _minute) / _second);    document.getelementbyid('countdown').innerhtml = days + 'days ';   document.getelementbyid('countdown').innerhtml += hours + 'hrs ';   document.getelementbyid('countdown').innerhtml += minutes + 'mins ';   document.getelementbyid('countdown').innerhtml += seconds + 'secs';  }  timer = setinterval(showremaining, 1000);

in if (distance < 0) branch, need remove clearinterval , reset end variable.

something this:

if (distance < 0) {   d = new date();   thedate = d.getfullyear() + '-' + (d.getmonth() + 1) + '-' + d.getdate();   newtime = new date(date.parse(d) + secs * 1000);   end = newtime;   return; }

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