JavaScript数字合计

        ,addnum:function (num1, num2) {
            const num1Digits = (num1.toString().split('.')[1] || '').length;
            const num2Digits = (num2.toString().split('.')[1] || '').length;
            const baseNum = Math.pow(10, Math.max(num1Digits, num2Digits));
            var v = (num1 * baseNum + num2 * baseNum) / baseNum
            return v;
        }

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