class NumberUtil {

	static numberWithCommas(x) {
		return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
	}

	static numberOfDigits(number) {
		if(number === 1000)
			return 4;

		return Math.floor(Math.log(number) / Math.LN10 + 1);	// bug : 1000 -> expected 4 but 3
	}

	static getRecordText(value) {
		let number = Math.floor(value);
		let numberWithCommas = NumberUtil.numberWithCommas(number);

		if(isTypingGame())
			return numberWithCommas + " 타";
		else
			return numberWithCommas + " 점";
	}

}