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/Dart 2

deltaMode property

int deltaMode

Implementation

int get deltaMode {
  if (JS('bool', '!!(#.deltaMode)', this)) {
    return JS('int', '#.deltaMode', this);
  }
  // If not available then we're poly-filling and doing pixel scroll.
  return 0;
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-html/WheelEvent/deltaMode.html