[Input masking] JQuery 쓰지 않고 돈, % 마스킹하기

돈 : 1,000,000

    comma: function(str){
            str = String(str);
            return str.replace(/(\d)(?=(?:\d{3})+(?!\d))/g, '$1,');
        }
    uncomma: function(str){
        str= String(str);
        return str.replace(/[^\d]+/g, '');
    }
    inputCurrency: function(value){
        return this.comma(this.uncomma(value));
    }

%: 100%

    percentage: function(value){
        if (value !== '' && value !== undefined) {
            return Math.round(String(value)) + '%';
        } else {
            return '';
        }
    }
    unPercentage: function(value){
        return String(value).split('%')[0];
    }
    inputPercentage: function(value){
        return this.percentage(this.unPercentage(value));
    }