NUMPAD constant
The event key originated on the numeric keypad or with a virtual key corresponding to the numeric keypad.
Implementation
static const int NUMPAD = 3;© 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/KeyLocation/NUMPAD-constant.html