maximumFractionDigits
The maximum number of digits after the decimal separator.
Declaration
var maximumFractionDigits: Int { get set }Discussion
By default, this property is set to 0.
The following code demonstrates the effect of setting maximumFractionDigits when formatting a number:
var numberFormatter = NumberFormatter()
numberFormatter.maximumFractionDigits = 0 // default
numberFormatter.string(from: 123.456) // 123
numberFormatter.maximumFractionDigits = 3
numberFormatter.string(from: 123.456789) // 123.457