JOYSTICK constant
The event key originated on a game controller or a joystick on a mobile device.
Implementation
static const int JOYSTICK = 5;© 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/JOYSTICK-constant.html