NumberFormatOptions

Settings for the formatNumber and parseNumber functions.

Name	Type	Default	Description
currency?	string		Defines the currency code of the currency that is used in the formatting. If not specified, the default currency for the locale is used.
currencyDisplay?	"symbol" | "code" | "name"		Specifies how to display the currency.
maximumFractionDigits?	number		Defines the maximum number of fraction digits that will be used. The default value of the decimal formatting is the greater one between minimumFractionDigits and 3. The default value of the currency formatting is the greater one between minimumFractionDigits and the number of digits for the currency from the supplemental currencyData. If no information about the currency is provided, the default value of the currency formatting is the greater one between minimumFractionDigits and 2. The default value of the percent formatting is the greater one between minimumFractionDigits and 0 (zero).
minimumFractionDigits?	number		Defines the minimum number of fraction digits that will be used. The default value of the decimal and percent formatting is 0 (zero). The default value of the currency formatting is the number of digits for the currency from the supplemental currencyData. If no information about the currency is provided, the default value of the currency formatting is 2.
minimumIntegerDigits?	number		Defines the minimum number of integer digits that will be used in the formatting.
style?	"decimal" | "currency" | "percent" | "scientific" | "accounting"		Specifies the format style.
useGrouping?	boolean		Specifies whether to use grouping separators.