свойство m21

num? m21

переопределение

Реализация

num? get m21 native;

void m21=(num? value)

set m21(num? value) native;

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Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.19.6/dart-html/DomMatrix/m21.html