W3cubDocs

/Dart 2

dart:html

toggle method

bool toggle (String token, [ bool force ])

Implementation 

bool toggle(String token, [bool force]) native;

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