getRoundingMode method
Returns the rounding mode set up in the constructor.
The rounding mode controls how numbers are rounded when the integral or fraction digits
of a number are limited.
Implementation
String getRoundingMode() {
String result = '';
final String formatOptions = toJsonString();
final String jscode1 = 'new NumFmt($formatOptions).getRoundingMode()';
result = ILibJS.instance.evaluate(jscode1).stringResult;
return result;
}