javascript - How to get the running time in the timer after pause on page change using angular2 and typescript -


i have timer working fine when pause , resume works fine on same page. if change page , come timer page, timer restart paused time not running time though been resumed long time. please help.

timer.ts

 this.apiservice                  .runningentries(user.user._id)                  .subscribe(                      entries  => {                       if(entries.current) {                         var milisecond = entries.current.ms;                         var second = parseint(milisecond) / 1000;                         second = parseint(second.tofixed(2))                         if(second< 0)                           {                           second = 0;                           }                         this.start = second                         if(this.timerservice.start == 0 )                       {                        this.timerservice.start = this.start;                       }                         this.timerservice.start = this.start;                         var length = entries.current.times.length;                         var last_entry = entries.current.times[length - 1];                         if((last_entry.state == 'start') || (last_entry.state == 'resume')) {                             this.starttimer();                         } else if(last_entry.state == 'pause') {                         this.pauseinittimer();                         }                      }


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