You get 5 points if you tap twice within 0.5 seconds, and 2 if the interval is within 1 second. The source code is very readable. this.score = this.score +

You get 5 points if you tap twice within 0.5 seconds, and 2 if the interval is within 1 second. The source code is very readable. this.score = this.score + (tapInterval < 500 ? 5 : tapInterval < 1000 ? 2 : 1);