contains method
- Object? value
inherited
Determine if this element contains the class value
.
This is the Dart equivalent of jQuery's hasClass.
Implementation
bool contains(Object? value) { if (value is! String) return false; _validateToken(value); return readClasses().contains(value); }
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https://api.dart.dev/stable/2.13.0/dart-svg/AttributeClassSet/contains.html