Свойство valueAsNumber

число? valueAsNumber

Реализация

num? get valueAsNumber;

void valueAsNumber=(число? value)

set valueAsNumber(num? value);

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/RangeInputElementBase/valueAsNumber.html