147         this.period = 200;
155         this.period += this.inc;
156         this.period = Math.min(this.period, this.maxPeriod);
161         if (elapsed > this.period) {
167     set (period) {  argument
168         this.period = Math.round(period);
170     setMin (period) {  argument
171         this.minPeriod = Math.round(period);
173     setMax (period) {  argument
174         this.minPeriod = Math.round(period);
180         this.period = this.minPeriod;
186 …const text = "TIMER: "+elapsed+" period:"+this.period+" min:"+this.minPeriod+" max:"+this.maxPerio…