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/Dart 2

hasProperty function

bool hasProperty (dynamic o, dynamic name)

Implementation

bool hasProperty(o, name) => JS('bool', '# in #', name, o);

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-js_util/hasProperty.html