Add the class value
to element.
This is the Dart equivalent of jQuery's addClass.
bool add(String value) { _validateToken(value); // TODO - figure out if we need to do any validation here // or if the browser natively does enough. return modify((s) => s.add(value)); }
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-svg/AttributeClassSet/add.html