econdsElapsed;
              if ( this.currentTime <= 0 ) {
                this.currentTime = 0;
                this.currentMilliseconds = 0;
                this.updateDisplay();
                this.updateProgress();
                this.completeTimer();
                return;
              }
            }
            this.updateDisplay();
          }

          this.updateProgress();
        }, 50 );
      }

      pauseTimer() {
        this.isRunning = false;
        clearInterval( this.interval );
